Home / 319,788,150.30-479,682,225.45-268,132,085.10

Finding the Fourth Proportional to 319,788,150.30, 479,682,225.45 and 268,132,085.10

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Solution

The fourth proportional to 319,788,150.30, 479,682,225.45 and 268,132,085.10 is: 402,198,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,788,150.30 : 479,682,225.45 = 268,132,085.10 : x
  2. Step 2: Convert to fraction form
    319,788,150.30/479,682,225.45 = 268,132,085.10/x
  3. Step 3: Cross multiply
    319,788,150.30x = 479,682,225.45 × 268,132,085.10
  4. Step 4: Simplify right side
    319,788,150.30x = 128,618,195,295,316,784
  5. Step 5: Solve for x
    x = 128,618,195,295,316,784/319,788,150.30
  6. Step 6: Final answer
    x = 402,198,127.65

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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.