Home / 374,909,494.87-517,335,715.83-207,641,374.39

Finding the Fourth Proportional to 374,909,494.87, 517,335,715.83 and 207,641,374.39

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Solution

The fourth proportional to 374,909,494.87, 517,335,715.83 and 207,641,374.39 is: 286,523,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,909,494.87 : 517,335,715.83 = 207,641,374.39 : x
  2. Step 2: Convert to fraction form
    374,909,494.87/517,335,715.83 = 207,641,374.39/x
  3. Step 3: Cross multiply
    374,909,494.87x = 517,335,715.83 × 207,641,374.39
  4. Step 4: Simplify right side
    374,909,494.87x = 107,420,299,055,975,664
  5. Step 5: Solve for x
    x = 107,420,299,055,975,664/374,909,494.87
  6. Step 6: Final answer
    x = 286,523,282.35

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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.