Home / 344,748,013.40-517,122,020.10-215,753,504.60

Finding the Fourth Proportional to 344,748,013.40, 517,122,020.10 and 215,753,504.60

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Solution

The fourth proportional to 344,748,013.40, 517,122,020.10 and 215,753,504.60 is: 323,630,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,748,013.40 : 517,122,020.10 = 215,753,504.60 : x
  2. Step 2: Convert to fraction form
    344,748,013.40/517,122,020.10 = 215,753,504.60/x
  3. Step 3: Cross multiply
    344,748,013.40x = 517,122,020.10 × 215,753,504.60
  4. Step 4: Simplify right side
    344,748,013.40x = 111,570,888,142,406,640
  5. Step 5: Solve for x
    x = 111,570,888,142,406,640/344,748,013.40
  6. Step 6: Final answer
    x = 323,630,256.90

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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.