Home / 370,755,843.40-556,133,765.10-207,497,168.20

Finding the Fourth Proportional to 370,755,843.40, 556,133,765.10 and 207,497,168.20

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Solution

The fourth proportional to 370,755,843.40, 556,133,765.10 and 207,497,168.20 is: 311,245,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,755,843.40 : 556,133,765.10 = 207,497,168.20 : x
  2. Step 2: Convert to fraction form
    370,755,843.40/556,133,765.10 = 207,497,168.20/x
  3. Step 3: Cross multiply
    370,755,843.40x = 556,133,765.10 × 207,497,168.20
  4. Step 4: Simplify right side
    370,755,843.40x = 115,396,181,398,653,984
  5. Step 5: Solve for x
    x = 115,396,181,398,653,984/370,755,843.40
  6. Step 6: Final answer
    x = 311,245,752.30

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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.