Home / 370,858,123.20-556,287,184.80-217,577,611.20

Finding the Fourth Proportional to 370,858,123.20, 556,287,184.80 and 217,577,611.20

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Solution

The fourth proportional to 370,858,123.20, 556,287,184.80 and 217,577,611.20 is: 326,366,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,858,123.20 : 556,287,184.80 = 217,577,611.20 : x
  2. Step 2: Convert to fraction form
    370,858,123.20/556,287,184.80 = 217,577,611.20/x
  3. Step 3: Cross multiply
    370,858,123.20x = 556,287,184.80 × 217,577,611.20
  4. Step 4: Simplify right side
    370,858,123.20x = 121,035,636,809,956,928
  5. Step 5: Solve for x
    x = 121,035,636,809,956,928/370,858,123.20
  6. Step 6: Final answer
    x = 326,366,416.80

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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.