Home / 387,073,397.40-580,610,096.10-347,658,408.60

Finding the Fourth Proportional to 387,073,397.40, 580,610,096.10 and 347,658,408.60

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Solution

The fourth proportional to 387,073,397.40, 580,610,096.10 and 347,658,408.60 is: 521,487,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,073,397.40 : 580,610,096.10 = 347,658,408.60 : x
  2. Step 2: Convert to fraction form
    387,073,397.40/580,610,096.10 = 347,658,408.60/x
  3. Step 3: Cross multiply
    387,073,397.40x = 580,610,096.10 × 347,658,408.60
  4. Step 4: Simplify right side
    387,073,397.40x = 201,853,982,027,219,104
  5. Step 5: Solve for x
    x = 201,853,982,027,219,104/387,073,397.40
  6. Step 6: Final answer
    x = 521,487,612.90

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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.