Home / 1,263,276,005.10-1,894,914,007.65-957,165,989.10

Finding the Fourth Proportional to 1,263,276,005.10, 1,894,914,007.65 and 957,165,989.10

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Solution

The fourth proportional to 1,263,276,005.10, 1,894,914,007.65 and 957,165,989.10 is: 1,435,748,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,276,005.10 : 1,894,914,007.65 = 957,165,989.10 : x
  2. Step 2: Convert to fraction form
    1,263,276,005.10/1,894,914,007.65 = 957,165,989.10/x
  3. Step 3: Cross multiply
    1,263,276,005.10x = 1,894,914,007.65 × 957,165,989.10
  4. Step 4: Simplify right side
    1,263,276,005.10x = 1,813,747,240,391,757,312
  5. Step 5: Solve for x
    x = 1,813,747,240,391,757,312/1,263,276,005.10
  6. Step 6: Final answer
    x = 1,435,748,983.65

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Double scale
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Similar ratio
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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.