Home / 992,441,499.60-1,488,662,249.40-977,135,998.80

Finding the Fourth Proportional to 992,441,499.60, 1,488,662,249.40 and 977,135,998.80

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Solution

The fourth proportional to 992,441,499.60, 1,488,662,249.40 and 977,135,998.80 is: 1,465,703,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,441,499.60 : 1,488,662,249.40 = 977,135,998.80 : x
  2. Step 2: Convert to fraction form
    992,441,499.60/1,488,662,249.40 = 977,135,998.80/x
  3. Step 3: Cross multiply
    992,441,499.60x = 1,488,662,249.40 × 977,135,998.80
  4. Step 4: Simplify right side
    992,441,499.60x = 1,454,625,473,943,323,648
  5. Step 5: Solve for x
    x = 1,454,625,473,943,323,648/992,441,499.60
  6. Step 6: Final answer
    x = 1,465,703,998.20

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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.