Home / 1,615,464,896.40-2,425,110,532.20-916,513,693.20

Finding the Fourth Proportional to 1,615,464,896.40, 2,425,110,532.20 and 916,513,693.20

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Solution

The fourth proportional to 1,615,464,896.40, 2,425,110,532.20 and 916,513,693.20 is: 1,375,855,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,464,896.40 : 2,425,110,532.20 = 916,513,693.20 : x
  2. Step 2: Convert to fraction form
    1,615,464,896.40/2,425,110,532.20 = 916,513,693.20/x
  3. Step 3: Cross multiply
    1,615,464,896.40x = 2,425,110,532.20 × 916,513,693.20
  4. Step 4: Simplify right side
    1,615,464,896.40x = 2,222,647,010,284,839,424
  5. Step 5: Solve for x
    x = 2,222,647,010,284,839,424/1,615,464,896.40
  6. Step 6: Final answer
    x = 1,375,855,962.72

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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.