Home / 887,928,408.52-1,331,287,251.14-450,385,389.65

Finding the Fourth Proportional to 887,928,408.52, 1,331,287,251.14 and 450,385,389.65

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Solution

The fourth proportional to 887,928,408.52, 1,331,287,251.14 and 450,385,389.65 is: 675,271,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,928,408.52 : 1,331,287,251.14 = 450,385,389.65 : x
  2. Step 2: Convert to fraction form
    887,928,408.52/1,331,287,251.14 = 450,385,389.65/x
  3. Step 3: Cross multiply
    887,928,408.52x = 1,331,287,251.14 × 450,385,389.65
  4. Step 4: Simplify right side
    887,928,408.52x = 599,592,327,345,220,480
  5. Step 5: Solve for x
    x = 599,592,327,345,220,480/887,928,408.52
  6. Step 6: Final answer
    x = 675,271,025.90

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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.