Home / 614,159,344.48-921,400,316.88-220,725,872.32

Finding the Fourth Proportional to 614,159,344.48, 921,400,316.88 and 220,725,872.32

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Solution

The fourth proportional to 614,159,344.48, 921,400,316.88 and 220,725,872.32 is: 331,146,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,159,344.48 : 921,400,316.88 = 220,725,872.32 : x
  2. Step 2: Convert to fraction form
    614,159,344.48/921,400,316.88 = 220,725,872.32/x
  3. Step 3: Cross multiply
    614,159,344.48x = 921,400,316.88 × 220,725,872.32
  4. Step 4: Simplify right side
    614,159,344.48x = 203,376,888,699,262,400
  5. Step 5: Solve for x
    x = 203,376,888,699,262,400/614,159,344.48
  6. Step 6: Final answer
    x = 331,146,778.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.