Home / 651,933,737.31-899,902,572.80-387,615,099.77

Finding the Fourth Proportional to 651,933,737.31, 899,902,572.80 and 387,615,099.77

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Solution

The fourth proportional to 651,933,737.31, 899,902,572.80 and 387,615,099.77 is: 535,047,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,933,737.31 : 899,902,572.80 = 387,615,099.77 : x
  2. Step 2: Convert to fraction form
    651,933,737.31/899,902,572.80 = 387,615,099.77/x
  3. Step 3: Cross multiply
    651,933,737.31x = 899,902,572.80 × 387,615,099.77
  4. Step 4: Simplify right side
    651,933,737.31x = 348,815,825,539,151,680
  5. Step 5: Solve for x
    x = 348,815,825,539,151,680/651,933,737.31
  6. Step 6: Final answer
    x = 535,047,974.32

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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.