Home / 762,789,454.80-1,144,194,680.04-217,531,047.12

Finding the Fourth Proportional to 762,789,454.80, 1,144,194,680.04 and 217,531,047.12

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Solution

The fourth proportional to 762,789,454.80, 1,144,194,680.04 and 217,531,047.12 is: 326,299,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,789,454.80 : 1,144,194,680.04 = 217,531,047.12 : x
  2. Step 2: Convert to fraction form
    762,789,454.80/1,144,194,680.04 = 217,531,047.12/x
  3. Step 3: Cross multiply
    762,789,454.80x = 1,144,194,680.04 × 217,531,047.12
  4. Step 4: Simplify right side
    762,789,454.80x = 248,897,866,858,234,560
  5. Step 5: Solve for x
    x = 248,897,866,858,234,560/762,789,454.80
  6. Step 6: Final answer
    x = 326,299,564.44

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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.