Home / 676,679,582,610.55-1,015,436,870,791.30-313,577,567,876.30

Finding the Fourth Proportional to 676,679,582,610.55, 1,015,436,870,791.30 and 313,577,567,876.30

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Solution

The fourth proportional to 676,679,582,610.55, 1,015,436,870,791.30 and 313,577,567,876.30 is: 470,559,822,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,679,582,610.55 : 1,015,436,870,791.30 = 313,577,567,876.30 : x
  2. Step 2: Convert to fraction form
    676,679,582,610.55/1,015,436,870,791.30 = 313,577,567,876.30/x
  3. Step 3: Cross multiply
    676,679,582,610.55x = 1,015,436,870,791.30 × 313,577,567,876.30
  4. Step 4: Simplify right side
    676,679,582,610.55x = 318,418,224,274,656,553,074,688
  5. Step 5: Solve for x
    x = 318,418,224,274,656,553,074,688/676,679,582,610.55
  6. Step 6: Final answer
    x = 470,559,822,488.27

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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.