Home / 1,644,153,885.60-2,466,230,828.40-1,121,136,225.45

Finding the Fourth Proportional to 1,644,153,885.60, 2,466,230,828.40 and 1,121,136,225.45

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Solution

The fourth proportional to 1,644,153,885.60, 2,466,230,828.40 and 1,121,136,225.45 is: 1,681,704,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,153,885.60 : 2,466,230,828.40 = 1,121,136,225.45 : x
  2. Step 2: Convert to fraction form
    1,644,153,885.60/2,466,230,828.40 = 1,121,136,225.45/x
  3. Step 3: Cross multiply
    1,644,153,885.60x = 2,466,230,828.40 × 1,121,136,225.45
  4. Step 4: Simplify right side
    1,644,153,885.60x = 2,764,980,722,040,802,816
  5. Step 5: Solve for x
    x = 2,764,980,722,040,802,816/1,644,153,885.60
  6. Step 6: Final answer
    x = 1,681,704,338.18

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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.