Home / 13,247,598,073.64-18,281,742,177.88-7,226,234,697.58

Finding the Fourth Proportional to 13,247,598,073.64, 18,281,742,177.88 and 7,226,234,697.58

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Solution

The fourth proportional to 13,247,598,073.64, 18,281,742,177.88 and 7,226,234,697.58 is: 9,972,234,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,598,073.64 : 18,281,742,177.88 = 7,226,234,697.58 : x
  2. Step 2: Convert to fraction form
    13,247,598,073.64/18,281,742,177.88 = 7,226,234,697.58/x
  3. Step 3: Cross multiply
    13,247,598,073.64x = 18,281,742,177.88 × 7,226,234,697.58
  4. Step 4: Simplify right side
    13,247,598,073.64x = 132,108,159,657,975,218,176
  5. Step 5: Solve for x
    x = 132,108,159,657,975,218,176/13,247,598,073.64
  6. Step 6: Final answer
    x = 9,972,234,885.42

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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.