Home / 431,046,208.20-646,569,312.30-189,181,504.20

Finding the Fourth Proportional to 431,046,208.20, 646,569,312.30 and 189,181,504.20

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Solution

The fourth proportional to 431,046,208.20, 646,569,312.30 and 189,181,504.20 is: 283,772,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,046,208.20 : 646,569,312.30 = 189,181,504.20 : x
  2. Step 2: Convert to fraction form
    431,046,208.20/646,569,312.30 = 189,181,504.20/x
  3. Step 3: Cross multiply
    431,046,208.20x = 646,569,312.30 × 189,181,504.20
  4. Step 4: Simplify right side
    431,046,208.20x = 122,318,955,070,473,552
  5. Step 5: Solve for x
    x = 122,318,955,070,473,552/431,046,208.20
  6. Step 6: Final answer
    x = 283,772,256.30

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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.