Home / 1,447,413,043.88-1,997,428,488.90-787,361,747.24

Finding the Fourth Proportional to 1,447,413,043.88, 1,997,428,488.90 and 787,361,747.24

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Solution

The fourth proportional to 1,447,413,043.88, 1,997,428,488.90 and 787,361,747.24 is: 1,086,558,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,413,043.88 : 1,997,428,488.90 = 787,361,747.24 : x
  2. Step 2: Convert to fraction form
    1,447,413,043.88/1,997,428,488.90 = 787,361,747.24/x
  3. Step 3: Cross multiply
    1,447,413,043.88x = 1,997,428,488.90 × 787,361,747.24
  4. Step 4: Simplify right side
    1,447,413,043.88x = 1,572,698,785,007,257,088
  5. Step 5: Solve for x
    x = 1,572,698,785,007,257,088/1,447,413,043.88
  6. Step 6: Final answer
    x = 1,086,558,388.88

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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.