Home / 956,224,036.20-1,320,198,447.66-780,431,357.88

Finding the Fourth Proportional to 956,224,036.20, 1,320,198,447.66 and 780,431,357.88

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Solution

The fourth proportional to 956,224,036.20, 1,320,198,447.66 and 780,431,357.88 is: 1,077,492,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,224,036.20 : 1,320,198,447.66 = 780,431,357.88 : x
  2. Step 2: Convert to fraction form
    956,224,036.20/1,320,198,447.66 = 780,431,357.88/x
  3. Step 3: Cross multiply
    956,224,036.20x = 1,320,198,447.66 × 780,431,357.88
  4. Step 4: Simplify right side
    956,224,036.20x = 1,030,324,267,178,361,984
  5. Step 5: Solve for x
    x = 1,030,324,267,178,361,984/956,224,036.20
  6. Step 6: Final answer
    x = 1,077,492,541.68

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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.