Home / 1,362,890,806.90-2,044,336,210.35-442,860,147.70

Finding the Fourth Proportional to 1,362,890,806.90, 2,044,336,210.35 and 442,860,147.70

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Solution

The fourth proportional to 1,362,890,806.90, 2,044,336,210.35 and 442,860,147.70 is: 664,290,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,890,806.90 : 2,044,336,210.35 = 442,860,147.70 : x
  2. Step 2: Convert to fraction form
    1,362,890,806.90/2,044,336,210.35 = 442,860,147.70/x
  3. Step 3: Cross multiply
    1,362,890,806.90x = 2,044,336,210.35 × 442,860,147.70
  4. Step 4: Simplify right side
    1,362,890,806.90x = 905,355,036,064,059,264
  5. Step 5: Solve for x
    x = 905,355,036,064,059,264/1,362,890,806.90
  6. Step 6: Final answer
    x = 664,290,221.55

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Double scale
Find fourth proportional to 1,362,890,807.90, 2,044,336,211.85 and 442,860,148.70
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.