Home / 1,006,972,249.78-1,389,437,233.31-560,924,512.79

Finding the Fourth Proportional to 1,006,972,249.78, 1,389,437,233.31 and 560,924,512.79

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Solution

The fourth proportional to 1,006,972,249.78, 1,389,437,233.31 and 560,924,512.79 is: 773,973,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,972,249.78 : 1,389,437,233.31 = 560,924,512.79 : x
  2. Step 2: Convert to fraction form
    1,006,972,249.78/1,389,437,233.31 = 560,924,512.79/x
  3. Step 3: Cross multiply
    1,006,972,249.78x = 1,389,437,233.31 × 560,924,512.79
  4. Step 4: Simplify right side
    1,006,972,249.78x = 779,369,403,143,892,608
  5. Step 5: Solve for x
    x = 779,369,403,143,892,608/1,006,972,249.78
  6. Step 6: Final answer
    x = 773,973,069.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.