Home / 18,812,509,658.83-25,961,814,618.21-10,239,491,571.23

Finding the Fourth Proportional to 18,812,509,658.83, 25,961,814,618.21 and 10,239,491,571.23

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Solution

The fourth proportional to 18,812,509,658.83, 25,961,814,618.21 and 10,239,491,571.23 is: 14,130,798,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,509,658.83 : 25,961,814,618.21 = 10,239,491,571.23 : x
  2. Step 2: Convert to fraction form
    18,812,509,658.83/25,961,814,618.21 = 10,239,491,571.23/x
  3. Step 3: Cross multiply
    18,812,509,658.83x = 25,961,814,618.21 × 10,239,491,571.23
  4. Step 4: Simplify right side
    18,812,509,658.83x = 265,835,781,957,023,793,152
  5. Step 5: Solve for x
    x = 265,835,781,957,023,793,152/18,812,509,658.83
  6. Step 6: Final answer
    x = 14,130,798,430.30

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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.