Home / 709,971,331.44-1,065,071,432.16-218,684,372.64

Finding the Fourth Proportional to 709,971,331.44, 1,065,071,432.16 and 218,684,372.64

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Solution

The fourth proportional to 709,971,331.44, 1,065,071,432.16 and 218,684,372.64 is: 328,061,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,971,331.44 : 1,065,071,432.16 = 218,684,372.64 : x
  2. Step 2: Convert to fraction form
    709,971,331.44/1,065,071,432.16 = 218,684,372.64/x
  3. Step 3: Cross multiply
    709,971,331.44x = 1,065,071,432.16 × 218,684,372.64
  4. Step 4: Simplify right side
    709,971,331.44x = 232,914,477,958,695,904
  5. Step 5: Solve for x
    x = 232,914,477,958,695,904/709,971,331.44
  6. Step 6: Final answer
    x = 328,061,807.07

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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.