Home / 1,136,368,841.48-1,568,020,865.46-690,100,123.40

Finding the Fourth Proportional to 1,136,368,841.48, 1,568,020,865.46 and 690,100,123.40

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Solution

The fourth proportional to 1,136,368,841.48, 1,568,020,865.46 and 690,100,123.40 is: 952,236,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,368,841.48 : 1,568,020,865.46 = 690,100,123.40 : x
  2. Step 2: Convert to fraction form
    1,136,368,841.48/1,568,020,865.46 = 690,100,123.40/x
  3. Step 3: Cross multiply
    1,136,368,841.48x = 1,568,020,865.46 × 690,100,123.40
  4. Step 4: Simplify right side
    1,136,368,841.48x = 1,082,091,392,747,720,832
  5. Step 5: Solve for x
    x = 1,082,091,392,747,720,832/1,136,368,841.48
  6. Step 6: Final answer
    x = 952,236,063.90

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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.