Home / 1,545,072,572.80-2,317,608,859.20-819,478,460.80

Finding the Fourth Proportional to 1,545,072,572.80, 2,317,608,859.20 and 819,478,460.80

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Solution

The fourth proportional to 1,545,072,572.80, 2,317,608,859.20 and 819,478,460.80 is: 1,229,217,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,072,572.80 : 2,317,608,859.20 = 819,478,460.80 : x
  2. Step 2: Convert to fraction form
    1,545,072,572.80/2,317,608,859.20 = 819,478,460.80/x
  3. Step 3: Cross multiply
    1,545,072,572.80x = 2,317,608,859.20 × 819,478,460.80
  4. Step 4: Simplify right side
    1,545,072,572.80x = 1,899,230,540,673,659,648
  5. Step 5: Solve for x
    x = 1,899,230,540,673,659,648/1,545,072,572.80
  6. Step 6: Final answer
    x = 1,229,217,691.20

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Double scale
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1.5x scale

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.