Home / 1,711,829,629-2,568,623,018.28-815,451,540.40

Finding the Fourth Proportional to 1,711,829,629, 2,568,623,018.28 and 815,451,540.40

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Solution

The fourth proportional to 1,711,829,629, 2,568,623,018.28 and 815,451,540.40 is: 1,223,595,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,829,629 : 2,568,623,018.28 = 815,451,540.40 : x
  2. Step 2: Convert to fraction form
    1,711,829,629/2,568,623,018.28 = 815,451,540.40/x
  3. Step 3: Cross multiply
    1,711,829,629x = 2,568,623,018.28 × 815,451,540.40
  4. Step 4: Simplify right side
    1,711,829,629x = 2,094,587,596,963,323,392
  5. Step 5: Solve for x
    x = 2,094,587,596,963,323,392/1,711,829,629
  6. Step 6: Final answer
    x = 1,223,595,830.73

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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.