Home / 1,042,172,136.10-1,438,222,534.97-565,882,579.69

Finding the Fourth Proportional to 1,042,172,136.10, 1,438,222,534.97 and 565,882,579.69

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Solution

The fourth proportional to 1,042,172,136.10, 1,438,222,534.97 and 565,882,579.69 is: 780,931,527.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,172,136.10 : 1,438,222,534.97 = 565,882,579.69 : x
  2. Step 2: Convert to fraction form
    1,042,172,136.10/1,438,222,534.97 = 565,882,579.69/x
  3. Step 3: Cross multiply
    1,042,172,136.10x = 1,438,222,534.97 × 565,882,579.69
  4. Step 4: Simplify right side
    1,042,172,136.10x = 813,865,078,257,114,880
  5. Step 5: Solve for x
    x = 813,865,078,257,114,880/1,042,172,136.10
  6. Step 6: Final answer
    x = 780,931,527.59

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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.