Home / 349,312,906.60-523,969,359.90-213,264,010.60

Finding the Fourth Proportional to 349,312,906.60, 523,969,359.90 and 213,264,010.60

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Solution

The fourth proportional to 349,312,906.60, 523,969,359.90 and 213,264,010.60 is: 319,896,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,312,906.60 : 523,969,359.90 = 213,264,010.60 : x
  2. Step 2: Convert to fraction form
    349,312,906.60/523,969,359.90 = 213,264,010.60/x
  3. Step 3: Cross multiply
    349,312,906.60x = 523,969,359.90 × 213,264,010.60
  4. Step 4: Simplify right side
    349,312,906.60x = 111,743,807,123,788,800
  5. Step 5: Solve for x
    x = 111,743,807,123,788,800/349,312,906.60
  6. Step 6: Final answer
    x = 319,896,015.90

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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.