Home / 725,036,060.08-1,000,669,758.38-427,750,982.74

Finding the Fourth Proportional to 725,036,060.08, 1,000,669,758.38 and 427,750,982.74

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Solution

The fourth proportional to 725,036,060.08, 1,000,669,758.38 and 427,750,982.74 is: 590,367,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,036,060.08 : 1,000,669,758.38 = 427,750,982.74 : x
  2. Step 2: Convert to fraction form
    725,036,060.08/1,000,669,758.38 = 427,750,982.74/x
  3. Step 3: Cross multiply
    725,036,060.08x = 1,000,669,758.38 × 427,750,982.74
  4. Step 4: Simplify right side
    725,036,060.08x = 428,037,472,545,243,328
  5. Step 5: Solve for x
    x = 428,037,472,545,243,328/725,036,060.08
  6. Step 6: Final answer
    x = 590,367,150.15

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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.