Home / 531,487,540.80-797,156,661.60-168,018,638.40

Finding the Fourth Proportional to 531,487,540.80, 797,156,661.60 and 168,018,638.40

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Solution

The fourth proportional to 531,487,540.80, 797,156,661.60 and 168,018,638.40 is: 252,004,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,487,540.80 : 797,156,661.60 = 168,018,638.40 : x
  2. Step 2: Convert to fraction form
    531,487,540.80/797,156,661.60 = 168,018,638.40/x
  3. Step 3: Cross multiply
    531,487,540.80x = 797,156,661.60 × 168,018,638.40
  4. Step 4: Simplify right side
    531,487,540.80x = 133,937,176,873,521,568
  5. Step 5: Solve for x
    x = 133,937,176,873,521,568/531,487,540.80
  6. Step 6: Final answer
    x = 252,004,358.69

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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.