Home / 437,347,712.61-656,186,789.34-262,592,598.47

Finding the Fourth Proportional to 437,347,712.61, 656,186,789.34 and 262,592,598.47

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Solution

The fourth proportional to 437,347,712.61, 656,186,789.34 and 262,592,598.47 is: 393,988,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,347,712.61 : 656,186,789.34 = 262,592,598.47 : x
  2. Step 2: Convert to fraction form
    437,347,712.61/656,186,789.34 = 262,592,598.47/x
  3. Step 3: Cross multiply
    437,347,712.61x = 656,186,789.34 × 262,592,598.47
  4. Step 4: Simplify right side
    437,347,712.61x = 172,309,794,091,196,160
  5. Step 5: Solve for x
    x = 172,309,794,091,196,160/437,347,712.61
  6. Step 6: Final answer
    x = 393,988,099.45

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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.