Home / 744,132,385-1,027,000,475.94-426,716,847.40

Finding the Fourth Proportional to 744,132,385, 1,027,000,475.94 and 426,716,847.40

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Solution

The fourth proportional to 744,132,385, 1,027,000,475.94 and 426,716,847.40 is: 588,925,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,132,385 : 1,027,000,475.94 = 426,716,847.40 : x
  2. Step 2: Convert to fraction form
    744,132,385/1,027,000,475.94 = 426,716,847.40/x
  3. Step 3: Cross multiply
    744,132,385x = 1,027,000,475.94 × 426,716,847.40
  4. Step 4: Simplify right side
    744,132,385x = 438,238,405,371,416,320
  5. Step 5: Solve for x
    x = 438,238,405,371,416,320/744,132,385
  6. Step 6: Final answer
    x = 588,925,323.24

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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.