Home / 536,018,905.20-804,028,357.80-172,513,261.20

Finding the Fourth Proportional to 536,018,905.20, 804,028,357.80 and 172,513,261.20

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Solution

The fourth proportional to 536,018,905.20, 804,028,357.80 and 172,513,261.20 is: 258,769,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,018,905.20 : 804,028,357.80 = 172,513,261.20 : x
  2. Step 2: Convert to fraction form
    536,018,905.20/804,028,357.80 = 172,513,261.20/x
  3. Step 3: Cross multiply
    536,018,905.20x = 804,028,357.80 × 172,513,261.20
  4. Step 4: Simplify right side
    536,018,905.20x = 138,705,554,101,358,432
  5. Step 5: Solve for x
    x = 138,705,554,101,358,432/536,018,905.20
  6. Step 6: Final answer
    x = 258,769,891.80

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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.