Home / 927,927,796.41-1,392,766,390.31-338,287,955.54

Finding the Fourth Proportional to 927,927,796.41, 1,392,766,390.31 and 338,287,955.54

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Solution

The fourth proportional to 927,927,796.41, 1,392,766,390.31 and 338,287,955.54 is: 507,750,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,927,796.41 : 1,392,766,390.31 = 338,287,955.54 : x
  2. Step 2: Convert to fraction form
    927,927,796.41/1,392,766,390.31 = 338,287,955.54/x
  3. Step 3: Cross multiply
    927,927,796.41x = 1,392,766,390.31 × 338,287,955.54
  4. Step 4: Simplify right side
    927,927,796.41x = 471,156,094,718,774,464
  5. Step 5: Solve for x
    x = 471,156,094,718,774,464/927,927,796.41
  6. Step 6: Final answer
    x = 507,750,814.82

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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.