Home / 20,755,812,281.31-31,183,386,773.90-13,308,985,081.04

Finding the Fourth Proportional to 20,755,812,281.31, 31,183,386,773.90 and 13,308,985,081.04

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Solution

The fourth proportional to 20,755,812,281.31, 31,183,386,773.90 and 13,308,985,081.04 is: 19,995,325,826.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,755,812,281.31 : 31,183,386,773.90 = 13,308,985,081.04 : x
  2. Step 2: Convert to fraction form
    20,755,812,281.31/31,183,386,773.90 = 13,308,985,081.04/x
  3. Step 3: Cross multiply
    20,755,812,281.31x = 31,183,386,773.90 × 13,308,985,081.04
  4. Step 4: Simplify right side
    20,755,812,281.31x = 415,019,229,349,926,010,880
  5. Step 5: Solve for x
    x = 415,019,229,349,926,010,880/20,755,812,281.31
  6. Step 6: Final answer
    x = 19,995,325,826.09

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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.