Home / 611,980,069.12-844,535,355.36-347,676,565.20

Finding the Fourth Proportional to 611,980,069.12, 844,535,355.36 and 347,676,565.20

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Solution

The fourth proportional to 611,980,069.12, 844,535,355.36 and 347,676,565.20 is: 479,795,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,980,069.12 : 844,535,355.36 = 347,676,565.20 : x
  2. Step 2: Convert to fraction form
    611,980,069.12/844,535,355.36 = 347,676,565.20/x
  3. Step 3: Cross multiply
    611,980,069.12x = 844,535,355.36 × 347,676,565.20
  4. Step 4: Simplify right side
    611,980,069.12x = 293,625,151,543,719,744
  5. Step 5: Solve for x
    x = 293,625,151,543,719,744/611,980,069.12
  6. Step 6: Final answer
    x = 479,795,284.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.