Home / 632,193,108.03-947,905,662.20-316,692,218.18

Finding the Fourth Proportional to 632,193,108.03, 947,905,662.20 and 316,692,218.18

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Solution

The fourth proportional to 632,193,108.03, 947,905,662.20 and 316,692,218.18 is: 474,845,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,193,108.03 : 947,905,662.20 = 316,692,218.18 : x
  2. Step 2: Convert to fraction form
    632,193,108.03/947,905,662.20 = 316,692,218.18/x
  3. Step 3: Cross multiply
    632,193,108.03x = 947,905,662.20 × 316,692,218.18
  4. Step 4: Simplify right side
    632,193,108.03x = 300,194,346,781,176,832
  5. Step 5: Solve for x
    x = 300,194,346,781,176,832/632,193,108.03
  6. Step 6: Final answer
    x = 474,845,965.53

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Double scale
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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.