Home / 452,724,742.76-679,086,266.51-141,856,157.14

Finding the Fourth Proportional to 452,724,742.76, 679,086,266.51 and 141,856,157.14

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Solution

The fourth proportional to 452,724,742.76, 679,086,266.51 and 141,856,157.14 is: 212,783,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,724,742.76 : 679,086,266.51 = 141,856,157.14 : x
  2. Step 2: Convert to fraction form
    452,724,742.76/679,086,266.51 = 141,856,157.14/x
  3. Step 3: Cross multiply
    452,724,742.76x = 679,086,266.51 × 141,856,157.14
  4. Step 4: Simplify right side
    452,724,742.76x = 96,332,568,132,315,408
  5. Step 5: Solve for x
    x = 96,332,568,132,315,408/452,724,742.76
  6. Step 6: Final answer
    x = 212,783,970.11

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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.