Home / 747,340,432.20-1,121,010,648.30-255,890,367.45

Finding the Fourth Proportional to 747,340,432.20, 1,121,010,648.30 and 255,890,367.45

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Solution

The fourth proportional to 747,340,432.20, 1,121,010,648.30 and 255,890,367.45 is: 383,835,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,432.20 : 1,121,010,648.30 = 255,890,367.45 : x
  2. Step 2: Convert to fraction form
    747,340,432.20/1,121,010,648.30 = 255,890,367.45/x
  3. Step 3: Cross multiply
    747,340,432.20x = 1,121,010,648.30 × 255,890,367.45
  4. Step 4: Simplify right side
    747,340,432.20x = 286,855,826,708,849,696
  5. Step 5: Solve for x
    x = 286,855,826,708,849,696/747,340,432.20
  6. Step 6: Final answer
    x = 383,835,551.18

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1.5x scale

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.