Home / 30,288,785,157.78-45,434,103,315.47-10,391,393,474.27

Finding the Fourth Proportional to 30,288,785,157.78, 45,434,103,315.47 and 10,391,393,474.27

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Solution

The fourth proportional to 30,288,785,157.78, 45,434,103,315.47 and 10,391,393,474.27 is: 15,587,407,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288,785,157.78 : 45,434,103,315.47 = 10,391,393,474.27 : x
  2. Step 2: Convert to fraction form
    30,288,785,157.78/45,434,103,315.47 = 10,391,393,474.27/x
  3. Step 3: Cross multiply
    30,288,785,157.78x = 45,434,103,315.47 × 10,391,393,474.27
  4. Step 4: Simplify right side
    30,288,785,157.78x = 472,123,644,701,404,758,016
  5. Step 5: Solve for x
    x = 472,123,644,701,404,758,016/30,288,785,157.78
  6. Step 6: Final answer
    x = 15,587,407,756.44

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1.5x scale

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.