Home / 382,480,961.80-573,721,442.70-299,257,301.20

Finding the Fourth Proportional to 382,480,961.80, 573,721,442.70 and 299,257,301.20

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Solution

The fourth proportional to 382,480,961.80, 573,721,442.70 and 299,257,301.20 is: 448,885,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,480,961.80 : 573,721,442.70 = 299,257,301.20 : x
  2. Step 2: Convert to fraction form
    382,480,961.80/573,721,442.70 = 299,257,301.20/x
  3. Step 3: Cross multiply
    382,480,961.80x = 573,721,442.70 × 299,257,301.20
  4. Step 4: Simplify right side
    382,480,961.80x = 171,690,330,582,972,448
  5. Step 5: Solve for x
    x = 171,690,330,582,972,448/382,480,961.80
  6. Step 6: Final answer
    x = 448,885,951.80

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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.