Home / 276,487,587.46-381,643,799.06-220,075,810.68

Finding the Fourth Proportional to 276,487,587.46, 381,643,799.06 and 220,075,810.68

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Solution

The fourth proportional to 276,487,587.46, 381,643,799.06 and 220,075,810.68 is: 303,776,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,487,587.46 : 381,643,799.06 = 220,075,810.68 : x
  2. Step 2: Convert to fraction form
    276,487,587.46/381,643,799.06 = 220,075,810.68/x
  3. Step 3: Cross multiply
    276,487,587.46x = 381,643,799.06 × 220,075,810.68
  4. Step 4: Simplify right side
    276,487,587.46x = 83,990,568,466,645,760
  5. Step 5: Solve for x
    x = 83,990,568,466,645,760/276,487,587.46
  6. Step 6: Final answer
    x = 303,776,994.98

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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.