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Finding the Fourth Proportional to 305,908,346.88, 458,952,060.98 and 98,642,589.07

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Solution

The fourth proportional to 305,908,346.88, 458,952,060.98 and 98,642,589.07 is: 147,992,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,908,346.88 : 458,952,060.98 = 98,642,589.07 : x
  2. Step 2: Convert to fraction form
    305,908,346.88/458,952,060.98 = 98,642,589.07/x
  3. Step 3: Cross multiply
    305,908,346.88x = 458,952,060.98 × 98,642,589.07
  4. Step 4: Simplify right side
    305,908,346.88x = 45,272,219,554,733,896
  5. Step 5: Solve for x
    x = 45,272,219,554,733,896/305,908,346.88
  6. Step 6: Final answer
    x = 147,992,756.71

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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.