Home / 10,488,431,567.70-15,732,647,351.55-7,182,443,394.90

Finding the Fourth Proportional to 10,488,431,567.70, 15,732,647,351.55 and 7,182,443,394.90

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Solution

The fourth proportional to 10,488,431,567.70, 15,732,647,351.55 and 7,182,443,394.90 is: 10,773,665,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488,431,567.70 : 15,732,647,351.55 = 7,182,443,394.90 : x
  2. Step 2: Convert to fraction form
    10,488,431,567.70/15,732,647,351.55 = 7,182,443,394.90/x
  3. Step 3: Cross multiply
    10,488,431,567.70x = 15,732,647,351.55 × 7,182,443,394.90
  4. Step 4: Simplify right side
    10,488,431,567.70x = 112,998,849,054,431,264,768
  5. Step 5: Solve for x
    x = 112,998,849,054,431,264,768/10,488,431,567.70
  6. Step 6: Final answer
    x = 10,773,665,092.35

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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.