Home / 1,000,191,981.44-1,380,264,934.40-560,158,833.44

Finding the Fourth Proportional to 1,000,191,981.44, 1,380,264,934.40 and 560,158,833.44

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Solution

The fourth proportional to 1,000,191,981.44, 1,380,264,934.40 and 560,158,833.44 is: 773,019,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,191,981.44 : 1,380,264,934.40 = 560,158,833.44 : x
  2. Step 2: Convert to fraction form
    1,000,191,981.44/1,380,264,934.40 = 560,158,833.44/x
  3. Step 3: Cross multiply
    1,000,191,981.44x = 1,380,264,934.40 × 560,158,833.44
  4. Step 4: Simplify right side
    1,000,191,981.44x = 773,167,595,491,642,240
  5. Step 5: Solve for x
    x = 773,167,595,491,642,240/1,000,191,981.44
  6. Step 6: Final answer
    x = 773,019,190.15

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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.