Home / 314,928,019.20-472,392,028.80-284,694,931.20

Finding the Fourth Proportional to 314,928,019.20, 472,392,028.80 and 284,694,931.20

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Solution

The fourth proportional to 314,928,019.20, 472,392,028.80 and 284,694,931.20 is: 427,042,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,019.20 : 472,392,028.80 = 284,694,931.20 : x
  2. Step 2: Convert to fraction form
    314,928,019.20/472,392,028.80 = 284,694,931.20/x
  3. Step 3: Cross multiply
    314,928,019.20x = 472,392,028.80 × 284,694,931.20
  4. Step 4: Simplify right side
    314,928,019.20x = 134,487,616,138,644,416
  5. Step 5: Solve for x
    x = 134,487,616,138,644,416/314,928,019.20
  6. Step 6: Final answer
    x = 427,042,396.80

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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.