Home / 1,128,520,049.48-1,557,216,644.82-626,660,599.88

Finding the Fourth Proportional to 1,128,520,049.48, 1,557,216,644.82 and 626,660,599.88

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Solution

The fourth proportional to 1,128,520,049.48, 1,557,216,644.82 and 626,660,599.88 is: 864,713,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,520,049.48 : 1,557,216,644.82 = 626,660,599.88 : x
  2. Step 2: Convert to fraction form
    1,128,520,049.48/1,557,216,644.82 = 626,660,599.88/x
  3. Step 3: Cross multiply
    1,128,520,049.48x = 1,557,216,644.82 × 626,660,599.88
  4. Step 4: Simplify right side
    1,128,520,049.48x = 975,846,316,786,022,016
  5. Step 5: Solve for x
    x = 975,846,316,786,022,016/1,128,520,049.48
  6. Step 6: Final answer
    x = 864,713,318.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.