Home / 695,521,073.40-1,043,281,610.10-491,447,729.40

Finding the Fourth Proportional to 695,521,073.40, 1,043,281,610.10 and 491,447,729.40

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Solution

The fourth proportional to 695,521,073.40, 1,043,281,610.10 and 491,447,729.40 is: 737,171,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,521,073.40 : 1,043,281,610.10 = 491,447,729.40 : x
  2. Step 2: Convert to fraction form
    695,521,073.40/1,043,281,610.10 = 491,447,729.40/x
  3. Step 3: Cross multiply
    695,521,073.40x = 1,043,281,610.10 × 491,447,729.40
  4. Step 4: Simplify right side
    695,521,073.40x = 512,718,378,408,421,120
  5. Step 5: Solve for x
    x = 512,718,378,408,421,120/695,521,073.40
  6. Step 6: Final answer
    x = 737,171,594.10

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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.