Home / 663,671,357.40-995,554,865.79-254,727,507.90

Finding the Fourth Proportional to 663,671,357.40, 995,554,865.79 and 254,727,507.90

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Solution

The fourth proportional to 663,671,357.40, 995,554,865.79 and 254,727,507.90 is: 382,109,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,671,357.40 : 995,554,865.79 = 254,727,507.90 : x
  2. Step 2: Convert to fraction form
    663,671,357.40/995,554,865.79 = 254,727,507.90/x
  3. Step 3: Cross multiply
    663,671,357.40x = 995,554,865.79 × 254,727,507.90
  4. Step 4: Simplify right side
    663,671,357.40x = 253,595,209,940,405,664
  5. Step 5: Solve for x
    x = 253,595,209,940,405,664/663,671,357.40
  6. Step 6: Final answer
    x = 382,109,619.64

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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.