Home / 1,538,451,954.76-2,123,071,088.36-833,603,749.32

Finding the Fourth Proportional to 1,538,451,954.76, 2,123,071,088.36 and 833,603,749.32

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Solution

The fourth proportional to 1,538,451,954.76, 2,123,071,088.36 and 833,603,749.32 is: 1,150,377,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,451,954.76 : 2,123,071,088.36 = 833,603,749.32 : x
  2. Step 2: Convert to fraction form
    1,538,451,954.76/2,123,071,088.36 = 833,603,749.32/x
  3. Step 3: Cross multiply
    1,538,451,954.76x = 2,123,071,088.36 × 833,603,749.32
  4. Step 4: Simplify right side
    1,538,451,954.76x = 1,769,800,019,329,788,928
  5. Step 5: Solve for x
    x = 1,769,800,019,329,788,928/1,538,451,954.76
  6. Step 6: Final answer
    x = 1,150,377,178.73

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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.