Home / 709,971,217.91-1,065,071,261.98-218,684,259.10

Finding the Fourth Proportional to 709,971,217.91, 1,065,071,261.98 and 218,684,259.10

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Solution

The fourth proportional to 709,971,217.91, 1,065,071,261.98 and 218,684,259.10 is: 328,061,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,971,217.91 : 1,065,071,261.98 = 218,684,259.10 : x
  2. Step 2: Convert to fraction form
    709,971,217.91/1,065,071,261.98 = 218,684,259.10/x
  3. Step 3: Cross multiply
    709,971,217.91x = 1,065,071,261.98 × 218,684,259.10
  4. Step 4: Simplify right side
    709,971,217.91x = 232,914,319,815,167,424
  5. Step 5: Solve for x
    x = 232,914,319,815,167,424/709,971,217.91
  6. Step 6: Final answer
    x = 328,061,636.78

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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.