Home / 825,165,545.86-1,140,361,601.25-676,251,841.06

Finding the Fourth Proportional to 825,165,545.86, 1,140,361,601.25 and 676,251,841.06

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Solution

The fourth proportional to 825,165,545.86, 1,140,361,601.25 and 676,251,841.06 is: 934,565,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,165,545.86 : 1,140,361,601.25 = 676,251,841.06 : x
  2. Step 2: Convert to fraction form
    825,165,545.86/1,140,361,601.25 = 676,251,841.06/x
  3. Step 3: Cross multiply
    825,165,545.86x = 1,140,361,601.25 × 676,251,841.06
  4. Step 4: Simplify right side
    825,165,545.86x = 771,171,632,319,442,048
  5. Step 5: Solve for x
    x = 771,171,632,319,442,048/825,165,545.86
  6. Step 6: Final answer
    x = 934,565,962.17

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1.5x scale

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.