Home / 331,616,000.40-497,424,000.60-296,679,987.60

Finding the Fourth Proportional to 331,616,000.40, 497,424,000.60 and 296,679,987.60

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Solution

The fourth proportional to 331,616,000.40, 497,424,000.60 and 296,679,987.60 is: 445,019,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,616,000.40 : 497,424,000.60 = 296,679,987.60 : x
  2. Step 2: Convert to fraction form
    331,616,000.40/497,424,000.60 = 296,679,987.60/x
  3. Step 3: Cross multiply
    331,616,000.40x = 497,424,000.60 × 296,679,987.60
  4. Step 4: Simplify right side
    331,616,000.40x = 147,575,746,329,950,400
  5. Step 5: Solve for x
    x = 147,575,746,329,950,400/331,616,000.40
  6. Step 6: Final answer
    x = 445,019,981.40

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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.