Home / 489,598,511.04-675,658,061.16-266,592,418.20

Finding the Fourth Proportional to 489,598,511.04, 675,658,061.16 and 266,592,418.20

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Solution

The fourth proportional to 489,598,511.04, 675,658,061.16 and 266,592,418.20 is: 367,904,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,598,511.04 : 675,658,061.16 = 266,592,418.20 : x
  2. Step 2: Convert to fraction form
    489,598,511.04/675,658,061.16 = 266,592,418.20/x
  3. Step 3: Cross multiply
    489,598,511.04x = 675,658,061.16 × 266,592,418.20
  4. Step 4: Simplify right side
    489,598,511.04x = 180,125,316,400,967,872
  5. Step 5: Solve for x
    x = 180,125,316,400,967,872/489,598,511.04
  6. Step 6: Final answer
    x = 367,904,134.39

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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.