Home / 612,712,963.64-845,428,248.27-365,217,347.00

Finding the Fourth Proportional to 612,712,963.64, 845,428,248.27 and 365,217,347.00

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Solution

The fourth proportional to 612,712,963.64, 845,428,248.27 and 365,217,347.00 is: 503,931,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,712,963.64 : 845,428,248.27 = 365,217,347.00 : x
  2. Step 2: Convert to fraction form
    612,712,963.64/845,428,248.27 = 365,217,347.00/x
  3. Step 3: Cross multiply
    612,712,963.64x = 845,428,248.27 × 365,217,347.00
  4. Step 4: Simplify right side
    612,712,963.64x = 308,765,061,914,140,288
  5. Step 5: Solve for x
    x = 308,765,061,914,140,288/612,712,963.64
  6. Step 6: Final answer
    x = 503,931,008.87

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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.