Home / 398,614,435.47-597,716,833.37-180,146,445.39

Finding the Fourth Proportional to 398,614,435.47, 597,716,833.37 and 180,146,445.39

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Solution

The fourth proportional to 398,614,435.47, 597,716,833.37 and 180,146,445.39 is: 270,127,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,614,435.47 : 597,716,833.37 = 180,146,445.39 : x
  2. Step 2: Convert to fraction form
    398,614,435.47/597,716,833.37 = 180,146,445.39/x
  3. Step 3: Cross multiply
    398,614,435.47x = 597,716,833.37 × 180,146,445.39
  4. Step 4: Simplify right side
    398,614,435.47x = 107,676,562,880,471,696
  5. Step 5: Solve for x
    x = 107,676,562,880,471,696/398,614,435.47
  6. Step 6: Final answer
    x = 270,127,103.53

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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.