Home / 489,598,512.04-675,658,062.54-266,592,419.20

Finding the Fourth Proportional to 489,598,512.04, 675,658,062.54 and 266,592,419.20

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Solution

The fourth proportional to 489,598,512.04, 675,658,062.54 and 266,592,419.20 is: 367,904,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,598,512.04 : 675,658,062.54 = 266,592,419.20 : x
  2. Step 2: Convert to fraction form
    489,598,512.04/675,658,062.54 = 266,592,419.20/x
  3. Step 3: Cross multiply
    489,598,512.04x = 675,658,062.54 × 266,592,419.20
  4. Step 4: Simplify right side
    489,598,512.04x = 180,125,317,444,523,488
  5. Step 5: Solve for x
    x = 180,125,317,444,523,488/489,598,512.04
  6. Step 6: Final answer
    x = 367,904,135.77

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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.