Home / 1,734,769,849.38-2,391,670,199.12-1,378,726,522.76

Finding the Fourth Proportional to 1,734,769,849.38, 2,391,670,199.12 and 1,378,726,522.76

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Solution

The fourth proportional to 1,734,769,849.38, 2,391,670,199.12 and 1,378,726,522.76 is: 1,900,804,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,769,849.38 : 2,391,670,199.12 = 1,378,726,522.76 : x
  2. Step 2: Convert to fraction form
    1,734,769,849.38/2,391,670,199.12 = 1,378,726,522.76/x
  3. Step 3: Cross multiply
    1,734,769,849.38x = 2,391,670,199.12 × 1,378,726,522.76
  4. Step 4: Simplify right side
    1,734,769,849.38x = 3,297,459,137,221,434,368
  5. Step 5: Solve for x
    x = 3,297,459,137,221,434,368/1,734,769,849.38
  6. Step 6: Final answer
    x = 1,900,804,961.76

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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.