Home / 839,808,711.70-1,259,713,067.55-834,706,878.10

Finding the Fourth Proportional to 839,808,711.70, 1,259,713,067.55 and 834,706,878.10

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Solution

The fourth proportional to 839,808,711.70, 1,259,713,067.55 and 834,706,878.10 is: 1,252,060,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,711.70 : 1,259,713,067.55 = 834,706,878.10 : x
  2. Step 2: Convert to fraction form
    839,808,711.70/1,259,713,067.55 = 834,706,878.10/x
  3. Step 3: Cross multiply
    839,808,711.70x = 1,259,713,067.55 × 834,706,878.10
  4. Step 4: Simplify right side
    839,808,711.70x = 1,051,491,161,916,434,944
  5. Step 5: Solve for x
    x = 1,051,491,161,916,434,944/839,808,711.70
  6. Step 6: Final answer
    x = 1,252,060,317.15

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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.