Home / 1,310,431,478.20-1,807,197,757.72-1,024,360,798.20

Finding the Fourth Proportional to 1,310,431,478.20, 1,807,197,757.72 and 1,024,360,798.20

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Solution

The fourth proportional to 1,310,431,478.20, 1,807,197,757.72 and 1,024,360,798.20 is: 1,412,681,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,431,478.20 : 1,807,197,757.72 = 1,024,360,798.20 : x
  2. Step 2: Convert to fraction form
    1,310,431,478.20/1,807,197,757.72 = 1,024,360,798.20/x
  3. Step 3: Cross multiply
    1,310,431,478.20x = 1,807,197,757.72 × 1,024,360,798.20
  4. Step 4: Simplify right side
    1,310,431,478.20x = 1,851,222,537,603,309,568
  5. Step 5: Solve for x
    x = 1,851,222,537,603,309,568/1,310,431,478.20
  6. Step 6: Final answer
    x = 1,412,681,676.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.