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Finding the Fourth Proportional to 967,149,721.60, 1,334,697,868.80 and 549,454,412.80

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Solution

The fourth proportional to 967,149,721.60, 1,334,697,868.80 and 549,454,412.80 is: 758,264,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,149,721.60 : 1,334,697,868.80 = 549,454,412.80 : x
  2. Step 2: Convert to fraction form
    967,149,721.60/1,334,697,868.80 = 549,454,412.80/x
  3. Step 3: Cross multiply
    967,149,721.60x = 1,334,697,868.80 × 549,454,412.80
  4. Step 4: Simplify right side
    967,149,721.60x = 733,355,633,766,915,328
  5. Step 5: Solve for x
    x = 733,355,633,766,915,328/967,149,721.60
  6. Step 6: Final answer
    x = 758,264,845.03

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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.