Home / 317,835,001.80-476,752,502.70-299,978,584.20

Finding the Fourth Proportional to 317,835,001.80, 476,752,502.70 and 299,978,584.20

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Solution

The fourth proportional to 317,835,001.80, 476,752,502.70 and 299,978,584.20 is: 449,967,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,835,001.80 : 476,752,502.70 = 299,978,584.20 : x
  2. Step 2: Convert to fraction form
    317,835,001.80/476,752,502.70 = 299,978,584.20/x
  3. Step 3: Cross multiply
    317,835,001.80x = 476,752,502.70 × 299,978,584.20
  4. Step 4: Simplify right side
    317,835,001.80x = 143,015,540,773,752,672
  5. Step 5: Solve for x
    x = 143,015,540,773,752,672/317,835,001.80
  6. Step 6: Final answer
    x = 449,967,876.30

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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.