Home / 741,977,890.80-1,112,966,836.20-724,971,778.80

Finding the Fourth Proportional to 741,977,890.80, 1,112,966,836.20 and 724,971,778.80

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Solution

The fourth proportional to 741,977,890.80, 1,112,966,836.20 and 724,971,778.80 is: 1,087,457,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,977,890.80 : 1,112,966,836.20 = 724,971,778.80 : x
  2. Step 2: Convert to fraction form
    741,977,890.80/1,112,966,836.20 = 724,971,778.80/x
  3. Step 3: Cross multiply
    741,977,890.80x = 1,112,966,836.20 × 724,971,778.80
  4. Step 4: Simplify right side
    741,977,890.80x = 806,869,546,985,322,240
  5. Step 5: Solve for x
    x = 806,869,546,985,322,240/741,977,890.80
  6. Step 6: Final answer
    x = 1,087,457,668.20

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Double scale
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Similar ratio
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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.