Home / 880,097,961.90-1,320,146,942.85-738,043,782.60

Finding the Fourth Proportional to 880,097,961.90, 1,320,146,942.85 and 738,043,782.60

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Solution

The fourth proportional to 880,097,961.90, 1,320,146,942.85 and 738,043,782.60 is: 1,107,065,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,097,961.90 : 1,320,146,942.85 = 738,043,782.60 : x
  2. Step 2: Convert to fraction form
    880,097,961.90/1,320,146,942.85 = 738,043,782.60/x
  3. Step 3: Cross multiply
    880,097,961.90x = 1,320,146,942.85 × 738,043,782.60
  4. Step 4: Simplify right side
    880,097,961.90x = 974,326,243,288,839,936
  5. Step 5: Solve for x
    x = 974,326,243,288,839,936/880,097,961.90
  6. Step 6: Final answer
    x = 1,107,065,673.90

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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.