Home / 540,532,487.86-745,888,420.62-314,513,287.76

Finding the Fourth Proportional to 540,532,487.86, 745,888,420.62 and 314,513,287.76

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Solution

The fourth proportional to 540,532,487.86, 745,888,420.62 and 314,513,287.76 is: 434,001,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,532,487.86 : 745,888,420.62 = 314,513,287.76 : x
  2. Step 2: Convert to fraction form
    540,532,487.86/745,888,420.62 = 314,513,287.76/x
  3. Step 3: Cross multiply
    540,532,487.86x = 745,888,420.62 × 314,513,287.76
  4. Step 4: Simplify right side
    540,532,487.86x = 234,591,819,473,174,688
  5. Step 5: Solve for x
    x = 234,591,819,473,174,688/540,532,487.86
  6. Step 6: Final answer
    x = 434,001,331.54

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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.