Home / 1,039,926,938.70-1,434,262,387.78-914,210,335.56

Finding the Fourth Proportional to 1,039,926,938.70, 1,434,262,387.78 and 914,210,335.56

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Solution

The fourth proportional to 1,039,926,938.70, 1,434,262,387.78 and 914,210,335.56 is: 1,260,874,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,926,938.70 : 1,434,262,387.78 = 914,210,335.56 : x
  2. Step 2: Convert to fraction form
    1,039,926,938.70/1,434,262,387.78 = 914,210,335.56/x
  3. Step 3: Cross multiply
    1,039,926,938.70x = 1,434,262,387.78 × 914,210,335.56
  4. Step 4: Simplify right side
    1,039,926,938.70x = 1,311,217,498,813,440,512
  5. Step 5: Solve for x
    x = 1,311,217,498,813,440,512/1,039,926,938.70
  6. Step 6: Final answer
    x = 1,260,874,634.57

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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.