Home / 747,844,276.80-1,121,766,415.20-425,358,004.80

Finding the Fourth Proportional to 747,844,276.80, 1,121,766,415.20 and 425,358,004.80

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Solution

The fourth proportional to 747,844,276.80, 1,121,766,415.20 and 425,358,004.80 is: 638,037,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,844,276.80 : 1,121,766,415.20 = 425,358,004.80 : x
  2. Step 2: Convert to fraction form
    747,844,276.80/1,121,766,415.20 = 425,358,004.80/x
  3. Step 3: Cross multiply
    747,844,276.80x = 1,121,766,415.20 × 425,358,004.80
  4. Step 4: Simplify right side
    747,844,276.80x = 477,152,324,221,120,448
  5. Step 5: Solve for x
    x = 477,152,324,221,120,448/747,844,276.80
  6. Step 6: Final answer
    x = 638,037,007.20

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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.