Home / 1,567,990,691.55-2,352,340,379.88-518,726,417.49

Finding the Fourth Proportional to 1,567,990,691.55, 2,352,340,379.88 and 518,726,417.49

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Solution

The fourth proportional to 1,567,990,691.55, 2,352,340,379.88 and 518,726,417.49 is: 778,206,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,990,691.55 : 2,352,340,379.88 = 518,726,417.49 : x
  2. Step 2: Convert to fraction form
    1,567,990,691.55/2,352,340,379.88 = 518,726,417.49/x
  3. Step 3: Cross multiply
    1,567,990,691.55x = 2,352,340,379.88 × 518,726,417.49
  4. Step 4: Simplify right side
    1,567,990,691.55x = 1,220,221,097,972,218,112
  5. Step 5: Solve for x
    x = 1,220,221,097,972,218,112/1,567,990,691.55
  6. Step 6: Final answer
    x = 778,206,850.68

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Double scale
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1.5x scale

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.