Home / 314,928,312.80-472,392,469.20-274,617,528.80

Finding the Fourth Proportional to 314,928,312.80, 472,392,469.20 and 274,617,528.80

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Solution

The fourth proportional to 314,928,312.80, 472,392,469.20 and 274,617,528.80 is: 411,926,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,312.80 : 472,392,469.20 = 274,617,528.80 : x
  2. Step 2: Convert to fraction form
    314,928,312.80/472,392,469.20 = 274,617,528.80/x
  3. Step 3: Cross multiply
    314,928,312.80x = 472,392,469.20 × 274,617,528.80
  4. Step 4: Simplify right side
    314,928,312.80x = 129,727,252,515,434,112
  5. Step 5: Solve for x
    x = 129,727,252,515,434,112/314,928,312.80
  6. Step 6: Final answer
    x = 411,926,293.20

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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.