Home / 676,679,582,609.55-1,015,436,870,789.80-313,577,567,875.30

Finding the Fourth Proportional to 676,679,582,609.55, 1,015,436,870,789.80 and 313,577,567,875.30

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Solution

The fourth proportional to 676,679,582,609.55, 1,015,436,870,789.80 and 313,577,567,875.30 is: 470,559,822,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,679,582,609.55 : 1,015,436,870,789.80 = 313,577,567,875.30 : x
  2. Step 2: Convert to fraction form
    676,679,582,609.55/1,015,436,870,789.80 = 313,577,567,875.30/x
  3. Step 3: Cross multiply
    676,679,582,609.55x = 1,015,436,870,789.80 × 313,577,567,875.30
  4. Step 4: Simplify right side
    676,679,582,609.55x = 318,418,224,273,170,762,825,728
  5. Step 5: Solve for x
    x = 318,418,224,273,170,762,825,728/676,679,582,609.55
  6. Step 6: Final answer
    x = 470,559,822,486.77

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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.