Home / 709,971,263.91-1,065,071,330.94-218,684,305.08

Finding the Fourth Proportional to 709,971,263.91, 1,065,071,330.94 and 218,684,305.08

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Solution

The fourth proportional to 709,971,263.91, 1,065,071,330.94 and 218,684,305.08 is: 328,061,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,971,263.91 : 1,065,071,330.94 = 218,684,305.08 : x
  2. Step 2: Convert to fraction form
    709,971,263.91/1,065,071,330.94 = 218,684,305.08/x
  3. Step 3: Cross multiply
    709,971,263.91x = 1,065,071,330.94 × 218,684,305.08
  4. Step 4: Simplify right side
    709,971,263.91x = 232,914,383,867,244,640
  5. Step 5: Solve for x
    x = 232,914,383,867,244,640/709,971,263.91
  6. Step 6: Final answer
    x = 328,061,705.74

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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.