Home / 662,565,812.40-993,839,387.40-299,059,585.20

Finding the Fourth Proportional to 662,565,812.40, 993,839,387.40 and 299,059,585.20

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Solution

The fourth proportional to 662,565,812.40, 993,839,387.40 and 299,059,585.20 is: 448,585,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,565,812.40 : 993,839,387.40 = 299,059,585.20 : x
  2. Step 2: Convert to fraction form
    662,565,812.40/993,839,387.40 = 299,059,585.20/x
  3. Step 3: Cross multiply
    662,565,812.40x = 993,839,387.40 × 299,059,585.20
  4. Step 4: Simplify right side
    662,565,812.40x = 297,217,194,951,266,112
  5. Step 5: Solve for x
    x = 297,217,194,951,266,112/662,565,812.40
  6. Step 6: Final answer
    x = 448,585,166.01

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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.