Home / 612,712,963.37-845,428,247.88-365,217,346.73

Finding the Fourth Proportional to 612,712,963.37, 845,428,247.88 and 365,217,346.73

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Solution

The fourth proportional to 612,712,963.37, 845,428,247.88 and 365,217,346.73 is: 503,931,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,712,963.37 : 845,428,247.88 = 365,217,346.73 : x
  2. Step 2: Convert to fraction form
    612,712,963.37/845,428,247.88 = 365,217,346.73/x
  3. Step 3: Cross multiply
    612,712,963.37x = 845,428,247.88 × 365,217,346.73
  4. Step 4: Simplify right side
    612,712,963.37x = 308,765,061,541,326,336
  5. Step 5: Solve for x
    x = 308,765,061,541,326,336/612,712,963.37
  6. Step 6: Final answer
    x = 503,931,008.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.