Home / 480,363,869.85-662,897,239.41-268,670,195.12

Finding the Fourth Proportional to 480,363,869.85, 662,897,239.41 and 268,670,195.12

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Solution

The fourth proportional to 480,363,869.85, 662,897,239.41 and 268,670,195.12 is: 370,762,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,363,869.85 : 662,897,239.41 = 268,670,195.12 : x
  2. Step 2: Convert to fraction form
    480,363,869.85/662,897,239.41 = 268,670,195.12/x
  3. Step 3: Cross multiply
    480,363,869.85x = 662,897,239.41 × 268,670,195.12
  4. Step 4: Simplify right side
    480,363,869.85x = 178,100,730,656,794,048
  5. Step 5: Solve for x
    x = 178,100,730,656,794,048/480,363,869.85
  6. Step 6: Final answer
    x = 370,762,128.12

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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.