Home / 1,679,619,214.40-2,519,428,821.60-1,669,415,547.20

Finding the Fourth Proportional to 1,679,619,214.40, 2,519,428,821.60 and 1,669,415,547.20

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Solution

The fourth proportional to 1,679,619,214.40, 2,519,428,821.60 and 1,669,415,547.20 is: 2,504,123,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,619,214.40 : 2,519,428,821.60 = 1,669,415,547.20 : x
  2. Step 2: Convert to fraction form
    1,679,619,214.40/2,519,428,821.60 = 1,669,415,547.20/x
  3. Step 3: Cross multiply
    1,679,619,214.40x = 2,519,428,821.60 × 1,669,415,547.20
  4. Step 4: Simplify right side
    1,679,619,214.40x = 4,205,973,644,842,814,976
  5. Step 5: Solve for x
    x = 4,205,973,644,842,814,976/1,679,619,214.40
  6. Step 6: Final answer
    x = 2,504,123,320.80

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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.