Home / 30,288,785,155.34-45,434,103,311.81-10,391,393,471.84

Finding the Fourth Proportional to 30,288,785,155.34, 45,434,103,311.81 and 10,391,393,471.84

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Solution

The fourth proportional to 30,288,785,155.34, 45,434,103,311.81 and 10,391,393,471.84 is: 15,587,407,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288,785,155.34 : 45,434,103,311.81 = 10,391,393,471.84 : x
  2. Step 2: Convert to fraction form
    30,288,785,155.34/45,434,103,311.81 = 10,391,393,471.84/x
  3. Step 3: Cross multiply
    30,288,785,155.34x = 45,434,103,311.81 × 10,391,393,471.84
  4. Step 4: Simplify right side
    30,288,785,155.34x = 472,123,644,552,967,421,952
  5. Step 5: Solve for x
    x = 472,123,644,552,967,421,952/30,288,785,155.34
  6. Step 6: Final answer
    x = 15,587,407,752.79

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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.