Home / 2,228,920,156.68-3,075,726,983.47-1,312,193,748.30

Finding the Fourth Proportional to 2,228,920,156.68, 3,075,726,983.47 and 1,312,193,748.30

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Solution

The fourth proportional to 2,228,920,156.68, 3,075,726,983.47 and 1,312,193,748.30 is: 1,810,719,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,920,156.68 : 3,075,726,983.47 = 1,312,193,748.30 : x
  2. Step 2: Convert to fraction form
    2,228,920,156.68/3,075,726,983.47 = 1,312,193,748.30/x
  3. Step 3: Cross multiply
    2,228,920,156.68x = 3,075,726,983.47 × 1,312,193,748.30
  4. Step 4: Simplify right side
    2,228,920,156.68x = 4,035,949,719,186,951,168
  5. Step 5: Solve for x
    x = 4,035,949,719,186,951,168/2,228,920,156.68
  6. Step 6: Final answer
    x = 1,810,719,736.68

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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.