Home / 371,820,197.34-556,653,266.82-280,090,257.66

Finding the Fourth Proportional to 371,820,197.34, 556,653,266.82 and 280,090,257.66

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Solution

The fourth proportional to 371,820,197.34, 556,653,266.82 and 280,090,257.66 is: 419,324,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,820,197.34 : 556,653,266.82 = 280,090,257.66 : x
  2. Step 2: Convert to fraction form
    371,820,197.34/556,653,266.82 = 280,090,257.66/x
  3. Step 3: Cross multiply
    371,820,197.34x = 556,653,266.82 × 280,090,257.66
  4. Step 4: Simplify right side
    371,820,197.34x = 155,913,156,930,894,560
  5. Step 5: Solve for x
    x = 155,913,156,930,894,560/371,820,197.34
  6. Step 6: Final answer
    x = 419,324,065.90

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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.