Home / 746,658,456.30-1,119,987,684.45-672,681,869.10

Finding the Fourth Proportional to 746,658,456.30, 1,119,987,684.45 and 672,681,869.10

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Solution

The fourth proportional to 746,658,456.30, 1,119,987,684.45 and 672,681,869.10 is: 1,009,022,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,658,456.30 : 1,119,987,684.45 = 672,681,869.10 : x
  2. Step 2: Convert to fraction form
    746,658,456.30/1,119,987,684.45 = 672,681,869.10/x
  3. Step 3: Cross multiply
    746,658,456.30x = 1,119,987,684.45 × 672,681,869.10
  4. Step 4: Simplify right side
    746,658,456.30x = 753,395,408,944,807,040
  5. Step 5: Solve for x
    x = 753,395,408,944,807,040/746,658,456.30
  6. Step 6: Final answer
    x = 1,009,022,803.65

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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.