Home / 358,971,023.49-495,418,090.26-210,416,959.89

Finding the Fourth Proportional to 358,971,023.49, 495,418,090.26 and 210,416,959.89

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Solution

The fourth proportional to 358,971,023.49, 495,418,090.26 and 210,416,959.89 is: 290,397,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,971,023.49 : 495,418,090.26 = 210,416,959.89 : x
  2. Step 2: Convert to fraction form
    358,971,023.49/495,418,090.26 = 210,416,959.89/x
  3. Step 3: Cross multiply
    358,971,023.49x = 495,418,090.26 × 210,416,959.89
  4. Step 4: Simplify right side
    358,971,023.49x = 104,244,368,427,018,816
  5. Step 5: Solve for x
    x = 104,244,368,427,018,816/358,971,023.49
  6. Step 6: Final answer
    x = 290,397,724.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.