Home / 1,023,893,136.92-1,412,962,469.61-553,984,147.37

Finding the Fourth Proportional to 1,023,893,136.92, 1,412,962,469.61 and 553,984,147.37

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Solution

The fourth proportional to 1,023,893,136.92, 1,412,962,469.61 and 553,984,147.37 is: 764,492,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,893,136.92 : 1,412,962,469.61 = 553,984,147.37 : x
  2. Step 2: Convert to fraction form
    1,023,893,136.92/1,412,962,469.61 = 553,984,147.37/x
  3. Step 3: Cross multiply
    1,023,893,136.92x = 1,412,962,469.61 × 553,984,147.37
  4. Step 4: Simplify right side
    1,023,893,136.92x = 782,758,808,985,640,576
  5. Step 5: Solve for x
    x = 782,758,808,985,640,576/1,023,893,136.92
  6. Step 6: Final answer
    x = 764,492,680.70

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Double scale
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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.