Home / 472,392,648.30-708,588,972.45-443,671,214.70

Finding the Fourth Proportional to 472,392,648.30, 708,588,972.45 and 443,671,214.70

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Solution

The fourth proportional to 472,392,648.30, 708,588,972.45 and 443,671,214.70 is: 665,506,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,648.30 : 708,588,972.45 = 443,671,214.70 : x
  2. Step 2: Convert to fraction form
    472,392,648.30/708,588,972.45 = 443,671,214.70/x
  3. Step 3: Cross multiply
    472,392,648.30x = 708,588,972.45 × 443,671,214.70
  4. Step 4: Simplify right side
    472,392,648.30x = 314,380,530,129,916,352
  5. Step 5: Solve for x
    x = 314,380,530,129,916,352/472,392,648.30
  6. Step 6: Final answer
    x = 665,506,822.05

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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.