Home / 396,278,321.40-594,417,482.10-105,144,881.40

Finding the Fourth Proportional to 396,278,321.40, 594,417,482.10 and 105,144,881.40

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Solution

The fourth proportional to 396,278,321.40, 594,417,482.10 and 105,144,881.40 is: 157,717,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,278,321.40 : 594,417,482.10 = 105,144,881.40 : x
  2. Step 2: Convert to fraction form
    396,278,321.40/594,417,482.10 = 105,144,881.40/x
  3. Step 3: Cross multiply
    396,278,321.40x = 594,417,482.10 × 105,144,881.40
  4. Step 4: Simplify right side
    396,278,321.40x = 62,499,955,657,491,128
  5. Step 5: Solve for x
    x = 62,499,955,657,491,128/396,278,321.40
  6. Step 6: Final answer
    x = 157,717,322.10

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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.