Home / 1,034,390,249.40-1,551,581,291.70-307,378,961.40

Finding the Fourth Proportional to 1,034,390,249.40, 1,551,581,291.70 and 307,378,961.40

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Solution

The fourth proportional to 1,034,390,249.40, 1,551,581,291.70 and 307,378,961.40 is: 461,067,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,390,249.40 : 1,551,581,291.70 = 307,378,961.40 : x
  2. Step 2: Convert to fraction form
    1,034,390,249.40/1,551,581,291.70 = 307,378,961.40/x
  3. Step 3: Cross multiply
    1,034,390,249.40x = 1,551,581,291.70 × 307,378,961.40
  4. Step 4: Simplify right side
    1,034,390,249.40x = 476,923,445,970,416,448
  5. Step 5: Solve for x
    x = 476,923,445,970,416,448/1,034,390,249.40
  6. Step 6: Final answer
    x = 461,067,228.98

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Double scale
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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.