Home / 330,721,350.88-495,748,545-207,987,382.84

Finding the Fourth Proportional to 330,721,350.88, 495,748,545 and 207,987,382.84

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Solution

The fourth proportional to 330,721,350.88, 495,748,545 and 207,987,382.84 is: 311,771,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,721,350.88 : 495,748,545 = 207,987,382.84 : x
  2. Step 2: Convert to fraction form
    330,721,350.88/495,748,545 = 207,987,382.84/x
  3. Step 3: Cross multiply
    330,721,350.88x = 495,748,545 × 207,987,382.84
  4. Step 4: Simplify right side
    330,721,350.88x = 103,109,442,421,287,968
  5. Step 5: Solve for x
    x = 103,109,442,421,287,968/330,721,350.88
  6. Step 6: Final answer
    x = 311,771,351.16

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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.