Home / 417,312,700.40-625,969,050.60-264,131,721.20

Finding the Fourth Proportional to 417,312,700.40, 625,969,050.60 and 264,131,721.20

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Solution

The fourth proportional to 417,312,700.40, 625,969,050.60 and 264,131,721.20 is: 396,197,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,312,700.40 : 625,969,050.60 = 264,131,721.20 : x
  2. Step 2: Convert to fraction form
    417,312,700.40/625,969,050.60 = 264,131,721.20/x
  3. Step 3: Cross multiply
    417,312,700.40x = 625,969,050.60 × 264,131,721.20
  4. Step 4: Simplify right side
    417,312,700.40x = 165,338,282,752,907,904
  5. Step 5: Solve for x
    x = 165,338,282,752,907,904/417,312,700.40
  6. Step 6: Final answer
    x = 396,197,581.80

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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.