Home / 709,971,319.50-1,065,071,414.50-218,684,360.94

Finding the Fourth Proportional to 709,971,319.50, 1,065,071,414.50 and 218,684,360.94

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Solution

The fourth proportional to 709,971,319.50, 1,065,071,414.50 and 218,684,360.94 is: 328,061,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,971,319.50 : 1,065,071,414.50 = 218,684,360.94 : x
  2. Step 2: Convert to fraction form
    709,971,319.50/1,065,071,414.50 = 218,684,360.94/x
  3. Step 3: Cross multiply
    709,971,319.50x = 1,065,071,414.50 × 218,684,360.94
  4. Step 4: Simplify right side
    709,971,319.50x = 232,914,461,635,394,336
  5. Step 5: Solve for x
    x = 232,914,461,635,394,336/709,971,319.50
  6. Step 6: Final answer
    x = 328,061,789.59

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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.