Home / 1,564,653,065.15-2,347,342,620.20-515,353,613.73

Finding the Fourth Proportional to 1,564,653,065.15, 2,347,342,620.20 and 515,353,613.73

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Solution

The fourth proportional to 1,564,653,065.15, 2,347,342,620.20 and 515,353,613.73 is: 773,149,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,653,065.15 : 2,347,342,620.20 = 515,353,613.73 : x
  2. Step 2: Convert to fraction form
    1,564,653,065.15/2,347,342,620.20 = 515,353,613.73/x
  3. Step 3: Cross multiply
    1,564,653,065.15x = 2,347,342,620.20 × 515,353,613.73
  4. Step 4: Simplify right side
    1,564,653,065.15x = 1,209,711,501,979,940,352
  5. Step 5: Solve for x
    x = 1,209,711,501,979,940,352/1,564,653,065.15
  6. Step 6: Final answer
    x = 773,149,990.19

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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.