Home / 487,392,956.18-672,598,302.24-264,374,076.78

Finding the Fourth Proportional to 487,392,956.18, 672,598,302.24 and 264,374,076.78

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Solution

The fourth proportional to 487,392,956.18, 672,598,302.24 and 264,374,076.78 is: 364,834,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,392,956.18 : 672,598,302.24 = 264,374,076.78 : x
  2. Step 2: Convert to fraction form
    487,392,956.18/672,598,302.24 = 264,374,076.78/x
  3. Step 3: Cross multiply
    487,392,956.18x = 672,598,302.24 × 264,374,076.78
  4. Step 4: Simplify right side
    487,392,956.18x = 177,817,555,198,495,424
  5. Step 5: Solve for x
    x = 177,817,555,198,495,424/487,392,956.18
  6. Step 6: Final answer
    x = 364,834,068.58

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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.