Home / 1,129,969,428.60-1,696,036,562.10-585,101,998.20

Finding the Fourth Proportional to 1,129,969,428.60, 1,696,036,562.10 and 585,101,998.20

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Solution

The fourth proportional to 1,129,969,428.60, 1,696,036,562.10 and 585,101,998.20 is: 878,213,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,969,428.60 : 1,696,036,562.10 = 585,101,998.20 : x
  2. Step 2: Convert to fraction form
    1,129,969,428.60/1,696,036,562.10 = 585,101,998.20/x
  3. Step 3: Cross multiply
    1,129,969,428.60x = 1,696,036,562.10 × 585,101,998.20
  4. Step 4: Simplify right side
    1,129,969,428.60x = 992,354,381,504,968,448
  5. Step 5: Solve for x
    x = 992,354,381,504,968,448/1,129,969,428.60
  6. Step 6: Final answer
    x = 878,213,477.63

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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.