Home / 486,654,680.34-672,474,302.01-354,265,835.15

Finding the Fourth Proportional to 486,654,680.34, 672,474,302.01 and 354,265,835.15

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Solution

The fourth proportional to 486,654,680.34, 672,474,302.01 and 354,265,835.15 is: 489,535,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,654,680.34 : 672,474,302.01 = 354,265,835.15 : x
  2. Step 2: Convert to fraction form
    486,654,680.34/672,474,302.01 = 354,265,835.15/x
  3. Step 3: Cross multiply
    486,654,680.34x = 672,474,302.01 × 354,265,835.15
  4. Step 4: Simplify right side
    486,654,680.34x = 238,234,670,220,167,136
  5. Step 5: Solve for x
    x = 238,234,670,220,167,136/486,654,680.34
  6. Step 6: Final answer
    x = 489,535,351.95

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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.