Home / 512,743,140.04-707,584,575.88-277,799,639.80

Finding the Fourth Proportional to 512,743,140.04, 707,584,575.88 and 277,799,639.80

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Solution

The fourth proportional to 512,743,140.04, 707,584,575.88 and 277,799,639.80 is: 383,362,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,743,140.04 : 707,584,575.88 = 277,799,639.80 : x
  2. Step 2: Convert to fraction form
    512,743,140.04/707,584,575.88 = 277,799,639.80/x
  3. Step 3: Cross multiply
    512,743,140.04x = 707,584,575.88 × 277,799,639.80
  4. Step 4: Simplify right side
    512,743,140.04x = 196,566,740,307,499,776
  5. Step 5: Solve for x
    x = 196,566,740,307,499,776/512,743,140.04
  6. Step 6: Final answer
    x = 383,362,984.23

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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.