Home / 417,312,411.40-625,968,617.10-264,131,432.20

Finding the Fourth Proportional to 417,312,411.40, 625,968,617.10 and 264,131,432.20

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Solution

The fourth proportional to 417,312,411.40, 625,968,617.10 and 264,131,432.20 is: 396,197,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,312,411.40 : 625,968,617.10 = 264,131,432.20 : x
  2. Step 2: Convert to fraction form
    417,312,411.40/625,968,617.10 = 264,131,432.20/x
  3. Step 3: Cross multiply
    417,312,411.40x = 625,968,617.10 × 264,131,432.20
  4. Step 4: Simplify right side
    417,312,411.40x = 165,337,987,346,876,416
  5. Step 5: Solve for x
    x = 165,337,987,346,876,416/417,312,411.40
  6. Step 6: Final answer
    x = 396,197,148.30

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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.