Home / 314,930,272.20-472,395,408.30-286,232,458.20

Finding the Fourth Proportional to 314,930,272.20, 472,395,408.30 and 286,232,458.20

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Solution

The fourth proportional to 314,930,272.20, 472,395,408.30 and 286,232,458.20 is: 429,348,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,272.20 : 472,395,408.30 = 286,232,458.20 : x
  2. Step 2: Convert to fraction form
    314,930,272.20/472,395,408.30 = 286,232,458.20/x
  3. Step 3: Cross multiply
    314,930,272.20x = 472,395,408.30 × 286,232,458.20
  4. Step 4: Simplify right side
    314,930,272.20x = 135,214,898,960,101,680
  5. Step 5: Solve for x
    x = 135,214,898,960,101,680/314,930,272.20
  6. Step 6: Final answer
    x = 429,348,687.30

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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.