Home / 347,640,671.04-479,625,475.96-215,433,429.20

Finding the Fourth Proportional to 347,640,671.04, 479,625,475.96 and 215,433,429.20

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Solution

The fourth proportional to 347,640,671.04, 479,625,475.96 and 215,433,429.20 is: 297,224,604.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,640,671.04 : 479,625,475.96 = 215,433,429.20 : x
  2. Step 2: Convert to fraction form
    347,640,671.04/479,625,475.96 = 215,433,429.20/x
  3. Step 3: Cross multiply
    347,640,671.04x = 479,625,475.96 × 215,433,429.20
  4. Step 4: Simplify right side
    347,640,671.04x = 103,327,361,017,744,944
  5. Step 5: Solve for x
    x = 103,327,361,017,744,944/347,640,671.04
  6. Step 6: Final answer
    x = 297,224,604.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.