Home / 385,723,270.90-532,302,416.40-226,988,478.10

Finding the Fourth Proportional to 385,723,270.90, 532,302,416.40 and 226,988,478.10

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Solution

The fourth proportional to 385,723,270.90, 532,302,416.40 and 226,988,478.10 is: 313,246,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,723,270.90 : 532,302,416.40 = 226,988,478.10 : x
  2. Step 2: Convert to fraction form
    385,723,270.90/532,302,416.40 = 226,988,478.10/x
  3. Step 3: Cross multiply
    385,723,270.90x = 532,302,416.40 × 226,988,478.10
  4. Step 4: Simplify right side
    385,723,270.90x = 120,826,515,387,588,480
  5. Step 5: Solve for x
    x = 120,826,515,387,588,480/385,723,270.90
  6. Step 6: Final answer
    x = 313,246,631.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.