Home / 1,286,169,596-1,929,369,484.80-499,204,801.28

Finding the Fourth Proportional to 1,286,169,596, 1,929,369,484.80 and 499,204,801.28

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Solution

The fourth proportional to 1,286,169,596, 1,929,369,484.80 and 499,204,801.28 is: 748,851,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,169,596 : 1,929,369,484.80 = 499,204,801.28 : x
  2. Step 2: Convert to fraction form
    1,286,169,596/1,929,369,484.80 = 499,204,801.28/x
  3. Step 3: Cross multiply
    1,286,169,596x = 1,929,369,484.80 × 499,204,801.28
  4. Step 4: Simplify right side
    1,286,169,596x = 963,150,510,255,279,872
  5. Step 5: Solve for x
    x = 963,150,510,255,279,872/1,286,169,596
  6. Step 6: Final answer
    x = 748,851,872.45

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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.