Home / 438,780,869.01-657,979,961.04-165,960,317.25

Finding the Fourth Proportional to 438,780,869.01, 657,979,961.04 and 165,960,317.25

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Solution

The fourth proportional to 438,780,869.01, 657,979,961.04 and 165,960,317.25 is: 248,868,104.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,780,869.01 : 657,979,961.04 = 165,960,317.25 : x
  2. Step 2: Convert to fraction form
    438,780,869.01/657,979,961.04 = 165,960,317.25/x
  3. Step 3: Cross multiply
    438,780,869.01x = 657,979,961.04 × 165,960,317.25
  4. Step 4: Simplify right side
    438,780,869.01x = 109,198,563,078,341,040
  5. Step 5: Solve for x
    x = 109,198,563,078,341,040/438,780,869.01
  6. Step 6: Final answer
    x = 248,868,104.31

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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.