Home / 609,038,947.65-840,451,997.58-344,715,265.08

Finding the Fourth Proportional to 609,038,947.65, 840,451,997.58 and 344,715,265.08

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Solution

The fourth proportional to 609,038,947.65, 840,451,997.58 and 344,715,265.08 is: 475,694,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,038,947.65 : 840,451,997.58 = 344,715,265.08 : x
  2. Step 2: Convert to fraction form
    609,038,947.65/840,451,997.58 = 344,715,265.08/x
  3. Step 3: Cross multiply
    609,038,947.65x = 840,451,997.58 × 344,715,265.08
  4. Step 4: Simplify right side
    609,038,947.65x = 289,716,633,132,805,248
  5. Step 5: Solve for x
    x = 289,716,633,132,805,248/609,038,947.65
  6. Step 6: Final answer
    x = 475,694,755.24

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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.