Home / 370,870,644.28-511,775,885.44-205,845,223

Finding the Fourth Proportional to 370,870,644.28, 511,775,885.44 and 205,845,223

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Solution

The fourth proportional to 370,870,644.28, 511,775,885.44 and 205,845,223 is: 284,052,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,870,644.28 : 511,775,885.44 = 205,845,223 : x
  2. Step 2: Convert to fraction form
    370,870,644.28/511,775,885.44 = 205,845,223/x
  3. Step 3: Cross multiply
    370,870,644.28x = 511,775,885.44 × 205,845,223
  4. Step 4: Simplify right side
    370,870,644.28x = 105,346,621,264,419,248
  5. Step 5: Solve for x
    x = 105,346,621,264,419,248/370,870,644.28
  6. Step 6: Final answer
    x = 284,052,196.88

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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.