Home / 709,971,227.42-1,065,071,276.22-218,684,268.62

Finding the Fourth Proportional to 709,971,227.42, 1,065,071,276.22 and 218,684,268.62

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Solution

The fourth proportional to 709,971,227.42, 1,065,071,276.22 and 218,684,268.62 is: 328,061,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,971,227.42 : 1,065,071,276.22 = 218,684,268.62 : x
  2. Step 2: Convert to fraction form
    709,971,227.42/1,065,071,276.22 = 218,684,268.62/x
  3. Step 3: Cross multiply
    709,971,227.42x = 1,065,071,276.22 × 218,684,268.62
  4. Step 4: Simplify right side
    709,971,227.42x = 232,914,333,068,340,704
  5. Step 5: Solve for x
    x = 232,914,333,068,340,704/709,971,227.42
  6. Step 6: Final answer
    x = 328,061,651.05

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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.