Home / 900,382,620.80-1,350,573,931.20-747,327,612.80

Finding the Fourth Proportional to 900,382,620.80, 1,350,573,931.20 and 747,327,612.80

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Solution

The fourth proportional to 900,382,620.80, 1,350,573,931.20 and 747,327,612.80 is: 1,120,991,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,382,620.80 : 1,350,573,931.20 = 747,327,612.80 : x
  2. Step 2: Convert to fraction form
    900,382,620.80/1,350,573,931.20 = 747,327,612.80/x
  3. Step 3: Cross multiply
    900,382,620.80x = 1,350,573,931.20 × 747,327,612.80
  4. Step 4: Simplify right side
    900,382,620.80x = 1,009,321,191,913,607,424
  5. Step 5: Solve for x
    x = 1,009,321,191,913,607,424/900,382,620.80
  6. Step 6: Final answer
    x = 1,120,991,419.20

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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.