Home / 727,715,472.75-1,091,453,623.95-261,280,335.87

Finding the Fourth Proportional to 727,715,472.75, 1,091,453,623.95 and 261,280,335.87

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Solution

The fourth proportional to 727,715,472.75, 1,091,453,623.95 and 261,280,335.87 is: 391,877,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,715,472.75 : 1,091,453,623.95 = 261,280,335.87 : x
  2. Step 2: Convert to fraction form
    727,715,472.75/1,091,453,623.95 = 261,280,335.87/x
  3. Step 3: Cross multiply
    727,715,472.75x = 1,091,453,623.95 × 261,280,335.87
  4. Step 4: Simplify right side
    727,715,472.75x = 285,175,369,452,184,704
  5. Step 5: Solve for x
    x = 285,175,369,452,184,704/727,715,472.75
  6. Step 6: Final answer
    x = 391,877,567.72

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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.