Home / 519,500,737.49-716,982,356.16-318,522,077.87

Finding the Fourth Proportional to 519,500,737.49, 716,982,356.16 and 318,522,077.87

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Solution

The fourth proportional to 519,500,737.49, 716,982,356.16 and 318,522,077.87 is: 439,604,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,500,737.49 : 716,982,356.16 = 318,522,077.87 : x
  2. Step 2: Convert to fraction form
    519,500,737.49/716,982,356.16 = 318,522,077.87/x
  3. Step 3: Cross multiply
    519,500,737.49x = 716,982,356.16 × 318,522,077.87
  4. Step 4: Simplify right side
    519,500,737.49x = 228,374,709,876,626,688
  5. Step 5: Solve for x
    x = 228,374,709,876,626,688/519,500,737.49
  6. Step 6: Final answer
    x = 439,604,207.27

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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.