Home / 716,805,679.20-1,074,452,691.60-279,937,557.60

Finding the Fourth Proportional to 716,805,679.20, 1,074,452,691.60 and 279,937,557.60

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Solution

The fourth proportional to 716,805,679.20, 1,074,452,691.60 and 279,937,557.60 is: 419,611,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,805,679.20 : 1,074,452,691.60 = 279,937,557.60 : x
  2. Step 2: Convert to fraction form
    716,805,679.20/1,074,452,691.60 = 279,937,557.60/x
  3. Step 3: Cross multiply
    716,805,679.20x = 1,074,452,691.60 × 279,937,557.60
  4. Step 4: Simplify right side
    716,805,679.20x = 300,779,662,243,250,048
  5. Step 5: Solve for x
    x = 300,779,662,243,250,048/716,805,679.20
  6. Step 6: Final answer
    x = 419,611,159.58

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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.