Home / 567,123,805,913.30-782,633,210,129.42-306,701,515,079.73

Finding the Fourth Proportional to 567,123,805,913.30, 782,633,210,129.42 and 306,701,515,079.73

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Solution

The fourth proportional to 567,123,805,913.30, 782,633,210,129.42 and 306,701,515,079.73 is: 423,249,366,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,123,805,913.30 : 782,633,210,129.42 = 306,701,515,079.73 : x
  2. Step 2: Convert to fraction form
    567,123,805,913.30/782,633,210,129.42 = 306,701,515,079.73/x
  3. Step 3: Cross multiply
    567,123,805,913.30x = 782,633,210,129.42 × 306,701,515,079.73
  4. Step 4: Simplify right side
    567,123,805,913.30x = 240,034,791,298,405,794,578,432
  5. Step 5: Solve for x
    x = 240,034,791,298,405,794,578,432/567,123,805,913.30
  6. Step 6: Final answer
    x = 423,249,366,003.69

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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.