Home / 358,971,008.85-495,418,070.07-210,416,945.27

Finding the Fourth Proportional to 358,971,008.85, 495,418,070.07 and 210,416,945.27

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Solution

The fourth proportional to 358,971,008.85, 495,418,070.07 and 210,416,945.27 is: 290,397,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,971,008.85 : 495,418,070.07 = 210,416,945.27 : x
  2. Step 2: Convert to fraction form
    358,971,008.85/495,418,070.07 = 210,416,945.27/x
  3. Step 3: Cross multiply
    358,971,008.85x = 495,418,070.07 × 210,416,945.27
  4. Step 4: Simplify right side
    358,971,008.85x = 104,244,356,933,211,120
  5. Step 5: Solve for x
    x = 104,244,356,933,211,120/358,971,008.85
  6. Step 6: Final answer
    x = 290,397,704.45

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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.