Home / 1,130,154,489.39-1,691,916,716.19-792,461,078.61

Finding the Fourth Proportional to 1,130,154,489.39, 1,691,916,716.19 and 792,461,078.61

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Solution

The fourth proportional to 1,130,154,489.39, 1,691,916,716.19 and 792,461,078.61 is: 1,186,367,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,154,489.39 : 1,691,916,716.19 = 792,461,078.61 : x
  2. Step 2: Convert to fraction form
    1,130,154,489.39/1,691,916,716.19 = 792,461,078.61/x
  3. Step 3: Cross multiply
    1,130,154,489.39x = 1,691,916,716.19 × 792,461,078.61
  4. Step 4: Simplify right side
    1,130,154,489.39x = 1,340,778,145,826,883,328
  5. Step 5: Solve for x
    x = 1,340,778,145,826,883,328/1,130,154,489.39
  6. Step 6: Final answer
    x = 1,186,367,136.89

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Double scale
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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.