Home / 1,118,371,130.01-1,543,353,860.03-623,323,209.69

Finding the Fourth Proportional to 1,118,371,130.01, 1,543,353,860.03 and 623,323,209.69

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Solution

The fourth proportional to 1,118,371,130.01, 1,543,353,860.03 and 623,323,209.69 is: 860,186,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,371,130.01 : 1,543,353,860.03 = 623,323,209.69 : x
  2. Step 2: Convert to fraction form
    1,118,371,130.01/1,543,353,860.03 = 623,323,209.69/x
  3. Step 3: Cross multiply
    1,118,371,130.01x = 1,543,353,860.03 × 623,323,209.69
  4. Step 4: Simplify right side
    1,118,371,130.01x = 962,008,281,718,234,112
  5. Step 5: Solve for x
    x = 962,008,281,718,234,112/1,118,371,130.01
  6. Step 6: Final answer
    x = 860,186,977.21

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.