Home / 514,694,914.32-710,286,172.92-279,745,504.32

Finding the Fourth Proportional to 514,694,914.32, 710,286,172.92 and 279,745,504.32

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Solution

The fourth proportional to 514,694,914.32, 710,286,172.92 and 279,745,504.32 is: 386,052,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,694,914.32 : 710,286,172.92 = 279,745,504.32 : x
  2. Step 2: Convert to fraction form
    514,694,914.32/710,286,172.92 = 279,745,504.32/x
  3. Step 3: Cross multiply
    514,694,914.32x = 710,286,172.92 × 279,745,504.32
  4. Step 4: Simplify right side
    514,694,914.32x = 198,699,363,655,028,096
  5. Step 5: Solve for x
    x = 198,699,363,655,028,096/514,694,914.32
  6. Step 6: Final answer
    x = 386,052,704.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.