Home / 709,971,223.55-1,065,071,270.41-218,684,264.74

Finding the Fourth Proportional to 709,971,223.55, 1,065,071,270.41 and 218,684,264.74

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Solution

The fourth proportional to 709,971,223.55, 1,065,071,270.41 and 218,684,264.74 is: 328,061,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,971,223.55 : 1,065,071,270.41 = 218,684,264.74 : x
  2. Step 2: Convert to fraction form
    709,971,223.55/1,065,071,270.41 = 218,684,264.74/x
  3. Step 3: Cross multiply
    709,971,223.55x = 1,065,071,270.41 × 218,684,264.74
  4. Step 4: Simplify right side
    709,971,223.55x = 232,914,327,662,099,200
  5. Step 5: Solve for x
    x = 232,914,327,662,099,200/709,971,223.55
  6. Step 6: Final answer
    x = 328,061,645.23

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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.