Home / 272,386,653.60-408,579,980.40-170,266,000.80

Finding the Fourth Proportional to 272,386,653.60, 408,579,980.40 and 170,266,000.80

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Solution

The fourth proportional to 272,386,653.60, 408,579,980.40 and 170,266,000.80 is: 255,399,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,386,653.60 : 408,579,980.40 = 170,266,000.80 : x
  2. Step 2: Convert to fraction form
    272,386,653.60/408,579,980.40 = 170,266,000.80/x
  3. Step 3: Cross multiply
    272,386,653.60x = 408,579,980.40 × 170,266,000.80
  4. Step 4: Simplify right side
    272,386,653.60x = 69,567,279,269,650,384
  5. Step 5: Solve for x
    x = 69,567,279,269,650,384/272,386,653.60
  6. Step 6: Final answer
    x = 255,399,001.20

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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.