Home / 862,555,814.64-1,293,373,385.79-447,614,839.32

Finding the Fourth Proportional to 862,555,814.64, 1,293,373,385.79 and 447,614,839.32

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Solution

The fourth proportional to 862,555,814.64, 1,293,373,385.79 and 447,614,839.32 is: 671,183,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,555,814.64 : 1,293,373,385.79 = 447,614,839.32 : x
  2. Step 2: Convert to fraction form
    862,555,814.64/1,293,373,385.79 = 447,614,839.32/x
  3. Step 3: Cross multiply
    862,555,814.64x = 1,293,373,385.79 × 447,614,839.32
  4. Step 4: Simplify right side
    862,555,814.64x = 578,933,120,261,155,200
  5. Step 5: Solve for x
    x = 578,933,120,261,155,200/862,555,814.64
  6. Step 6: Final answer
    x = 671,183,372.06

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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.