Home / 609,010,301.18-840,290,155.42-344,692,294.21

Finding the Fourth Proportional to 609,010,301.18, 840,290,155.42 and 344,692,294.21

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Solution

The fourth proportional to 609,010,301.18, 840,290,155.42 and 344,692,294.21 is: 475,593,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,010,301.18 : 840,290,155.42 = 344,692,294.21 : x
  2. Step 2: Convert to fraction form
    609,010,301.18/840,290,155.42 = 344,692,294.21/x
  3. Step 3: Cross multiply
    609,010,301.18x = 840,290,155.42 × 344,692,294.21
  4. Step 4: Simplify right side
    609,010,301.18x = 289,641,541,475,378,688
  5. Step 5: Solve for x
    x = 289,641,541,475,378,688/609,010,301.18
  6. Step 6: Final answer
    x = 475,593,829.71

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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.