Home / 1,240,272,101.80-1,860,408,152.70-1,010,689,589.80

Finding the Fourth Proportional to 1,240,272,101.80, 1,860,408,152.70 and 1,010,689,589.80

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Solution

The fourth proportional to 1,240,272,101.80, 1,860,408,152.70 and 1,010,689,589.80 is: 1,516,034,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,272,101.80 : 1,860,408,152.70 = 1,010,689,589.80 : x
  2. Step 2: Convert to fraction form
    1,240,272,101.80/1,860,408,152.70 = 1,010,689,589.80/x
  3. Step 3: Cross multiply
    1,240,272,101.80x = 1,860,408,152.70 × 1,010,689,589.80
  4. Step 4: Simplify right side
    1,240,272,101.80x = 1,880,295,152,712,938,752
  5. Step 5: Solve for x
    x = 1,880,295,152,712,938,752/1,240,272,101.80
  6. Step 6: Final answer
    x = 1,516,034,384.70

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Half scale
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Double scale
Find fourth proportional to 1,240,272,102.80, 1,860,408,154.20 and 1,010,689,590.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.