Home / 438,182,279.08-656,701,123.02-334,170,639.52

Finding the Fourth Proportional to 438,182,279.08, 656,701,123.02 and 334,170,639.52

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Solution

The fourth proportional to 438,182,279.08, 656,701,123.02 and 334,170,639.52 is: 500,819,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,182,279.08 : 656,701,123.02 = 334,170,639.52 : x
  2. Step 2: Convert to fraction form
    438,182,279.08/656,701,123.02 = 334,170,639.52/x
  3. Step 3: Cross multiply
    438,182,279.08x = 656,701,123.02 × 334,170,639.52
  4. Step 4: Simplify right side
    438,182,279.08x = 219,450,234,253,095,584
  5. Step 5: Solve for x
    x = 219,450,234,253,095,584/438,182,279.08
  6. Step 6: Final answer
    x = 500,819,509.89

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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.