Home / 876,096,067.80-1,314,144,101.70-531,438,864.60

Finding the Fourth Proportional to 876,096,067.80, 1,314,144,101.70 and 531,438,864.60

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Solution

The fourth proportional to 876,096,067.80, 1,314,144,101.70 and 531,438,864.60 is: 797,158,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,096,067.80 : 1,314,144,101.70 = 531,438,864.60 : x
  2. Step 2: Convert to fraction form
    876,096,067.80/1,314,144,101.70 = 531,438,864.60/x
  3. Step 3: Cross multiply
    876,096,067.80x = 1,314,144,101.70 × 531,438,864.60
  4. Step 4: Simplify right side
    876,096,067.80x = 698,387,249,328,235,008
  5. Step 5: Solve for x
    x = 698,387,249,328,235,008/876,096,067.80
  6. Step 6: Final answer
    x = 797,158,296.90

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Double scale
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Similar ratio
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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.