Home / 2,870,877,442.88-4,306,316,159.45-689,843,578.88

Finding the Fourth Proportional to 2,870,877,442.88, 4,306,316,159.45 and 689,843,578.88

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Solution

The fourth proportional to 2,870,877,442.88, 4,306,316,159.45 and 689,843,578.88 is: 1,034,765,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,877,442.88 : 4,306,316,159.45 = 689,843,578.88 : x
  2. Step 2: Convert to fraction form
    2,870,877,442.88/4,306,316,159.45 = 689,843,578.88/x
  3. Step 3: Cross multiply
    2,870,877,442.88x = 4,306,316,159.45 × 689,843,578.88
  4. Step 4: Simplify right side
    2,870,877,442.88x = 2,970,684,551,203,957,760
  5. Step 5: Solve for x
    x = 2,970,684,551,203,957,760/2,870,877,442.88
  6. Step 6: Final answer
    x = 1,034,765,367.14

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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.