Home / 402,991,937,414.97-556,142,597,120.85-238,334,604,027.45

Finding the Fourth Proportional to 402,991,937,414.97, 556,142,597,120.85 and 238,334,604,027.45

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Solution

The fourth proportional to 402,991,937,414.97, 556,142,597,120.85 and 238,334,604,027.45 is: 328,909,869,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,991,937,414.97 : 556,142,597,120.85 = 238,334,604,027.45 : x
  2. Step 2: Convert to fraction form
    402,991,937,414.97/556,142,597,120.85 = 238,334,604,027.45/x
  3. Step 3: Cross multiply
    402,991,937,414.97x = 556,142,597,120.85 × 238,334,604,027.45
  4. Step 4: Simplify right side
    402,991,937,414.97x = 132,548,025,667,595,439,964,160
  5. Step 5: Solve for x
    x = 132,548,025,667,595,439,964,160/402,991,937,414.97
  6. Step 6: Final answer
    x = 328,909,869,804.93

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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.