Home / 860,159,507.20-1,288,326,073.20-707,104,499.20

Finding the Fourth Proportional to 860,159,507.20, 1,288,326,073.20 and 707,104,499.20

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Solution

The fourth proportional to 860,159,507.20, 1,288,326,073.20 and 707,104,499.20 is: 1,059,083,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,159,507.20 : 1,288,326,073.20 = 707,104,499.20 : x
  2. Step 2: Convert to fraction form
    860,159,507.20/1,288,326,073.20 = 707,104,499.20/x
  3. Step 3: Cross multiply
    860,159,507.20x = 1,288,326,073.20 × 707,104,499.20
  4. Step 4: Simplify right side
    860,159,507.20x = 910,981,162,796,388,608
  5. Step 5: Solve for x
    x = 910,981,162,796,388,608/860,159,507.20
  6. Step 6: Final answer
    x = 1,059,083,989.85

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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.