Home / 348,043,045.20-521,616,670.20-266,861,605.20

Finding the Fourth Proportional to 348,043,045.20, 521,616,670.20 and 266,861,605.20

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Solution

The fourth proportional to 348,043,045.20, 521,616,670.20 and 266,861,605.20 is: 399,948,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,043,045.20 : 521,616,670.20 = 266,861,605.20 : x
  2. Step 2: Convert to fraction form
    348,043,045.20/521,616,670.20 = 266,861,605.20/x
  3. Step 3: Cross multiply
    348,043,045.20x = 521,616,670.20 × 266,861,605.20
  4. Step 4: Simplify right side
    348,043,045.20x = 139,199,461,908,650,992
  5. Step 5: Solve for x
    x = 139,199,461,908,650,992/348,043,045.20
  6. Step 6: Final answer
    x = 399,948,982.83

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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.