Home / 1,109,824,428.04-1,664,239,080.28-661,339,333.68

Finding the Fourth Proportional to 1,109,824,428.04, 1,664,239,080.28 and 661,339,333.68

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Solution

The fourth proportional to 1,109,824,428.04, 1,664,239,080.28 and 661,339,333.68 is: 991,712,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,824,428.04 : 1,664,239,080.28 = 661,339,333.68 : x
  2. Step 2: Convert to fraction form
    1,109,824,428.04/1,664,239,080.28 = 661,339,333.68/x
  3. Step 3: Cross multiply
    1,109,824,428.04x = 1,664,239,080.28 × 661,339,333.68
  4. Step 4: Simplify right side
    1,109,824,428.04x = 1,100,626,764,436,591,104
  5. Step 5: Solve for x
    x = 1,100,626,764,436,591,104/1,109,824,428.04
  6. Step 6: Final answer
    x = 991,712,505.72

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Double scale
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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.