Home / 488,335,973.70-732,503,960.55-422,579,007.30

Finding the Fourth Proportional to 488,335,973.70, 732,503,960.55 and 422,579,007.30

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Solution

The fourth proportional to 488,335,973.70, 732,503,960.55 and 422,579,007.30 is: 633,868,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,335,973.70 : 732,503,960.55 = 422,579,007.30 : x
  2. Step 2: Convert to fraction form
    488,335,973.70/732,503,960.55 = 422,579,007.30/x
  3. Step 3: Cross multiply
    488,335,973.70x = 732,503,960.55 × 422,579,007.30
  4. Step 4: Simplify right side
    488,335,973.70x = 309,540,796,492,537,344
  5. Step 5: Solve for x
    x = 309,540,796,492,537,344/488,335,973.70
  6. Step 6: Final answer
    x = 633,868,510.95

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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.