Home / 1,049,761,627.20-1,574,642,440.80-359,439,451.20

Finding the Fourth Proportional to 1,049,761,627.20, 1,574,642,440.80 and 359,439,451.20

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Solution

The fourth proportional to 1,049,761,627.20, 1,574,642,440.80 and 359,439,451.20 is: 539,159,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,761,627.20 : 1,574,642,440.80 = 359,439,451.20 : x
  2. Step 2: Convert to fraction form
    1,049,761,627.20/1,574,642,440.80 = 359,439,451.20/x
  3. Step 3: Cross multiply
    1,049,761,627.20x = 1,574,642,440.80 × 359,439,451.20
  4. Step 4: Simplify right side
    1,049,761,627.20x = 565,988,614,757,380,480
  5. Step 5: Solve for x
    x = 565,988,614,757,380,480/1,049,761,627.20
  6. Step 6: Final answer
    x = 539,159,176.80

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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.