Home / 27,712,100,118.78-38,242,982,355.30-15,024,860,322.30

Finding the Fourth Proportional to 27,712,100,118.78, 38,242,982,355.30 and 15,024,860,322.30

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Solution

The fourth proportional to 27,712,100,118.78, 38,242,982,355.30 and 15,024,860,322.30 is: 20,734,461,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712,100,118.78 : 38,242,982,355.30 = 15,024,860,322.30 : x
  2. Step 2: Convert to fraction form
    27,712,100,118.78/38,242,982,355.30 = 15,024,860,322.30/x
  3. Step 3: Cross multiply
    27,712,100,118.78x = 38,242,982,355.30 × 15,024,860,322.30
  4. Step 4: Simplify right side
    27,712,100,118.78x = 574,595,468,196,566,007,808
  5. Step 5: Solve for x
    x = 574,595,468,196,566,007,808/27,712,100,118.78
  6. Step 6: Final answer
    x = 20,734,461,326.78

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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.