Home / 2,789,241,856.04-3,849,075,142.50-1,519,054,169.78

Finding the Fourth Proportional to 2,789,241,856.04, 3,849,075,142.50 and 1,519,054,169.78

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Solution

The fourth proportional to 2,789,241,856.04, 3,849,075,142.50 and 1,519,054,169.78 is: 2,096,251,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,241,856.04 : 3,849,075,142.50 = 1,519,054,169.78 : x
  2. Step 2: Convert to fraction form
    2,789,241,856.04/3,849,075,142.50 = 1,519,054,169.78/x
  3. Step 3: Cross multiply
    2,789,241,856.04x = 3,849,075,142.50 × 1,519,054,169.78
  4. Step 4: Simplify right side
    2,789,241,856.04x = 5,846,953,645,011,172,352
  5. Step 5: Solve for x
    x = 5,846,953,645,011,172,352/2,789,241,856.04
  6. Step 6: Final answer
    x = 2,096,251,937.55

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Double scale
Find fourth proportional to 2,789,241,857.04, 3,849,075,143.88 and 1,519,054,170.78
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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.