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Finding the Fourth Proportional to 582,662,246.40, 873,993,369.60 and 151,840,742.40

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Solution

The fourth proportional to 582,662,246.40, 873,993,369.60 and 151,840,742.40 is: 227,761,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,662,246.40 : 873,993,369.60 = 151,840,742.40 : x
  2. Step 2: Convert to fraction form
    582,662,246.40/873,993,369.60 = 151,840,742.40/x
  3. Step 3: Cross multiply
    582,662,246.40x = 873,993,369.60 × 151,840,742.40
  4. Step 4: Simplify right side
    582,662,246.40x = 132,707,802,092,741,600
  5. Step 5: Solve for x
    x = 132,707,802,092,741,600/582,662,246.40
  6. Step 6: Final answer
    x = 227,761,113.60

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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.