Home / 3,936,679,969.60-5,904,572,056.80-1,028,928,750.40

Finding the Fourth Proportional to 3,936,679,969.60, 5,904,572,056.80 and 1,028,928,750.40

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Solution

The fourth proportional to 3,936,679,969.60, 5,904,572,056.80 and 1,028,928,750.40 is: 1,543,276,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,679,969.60 : 5,904,572,056.80 = 1,028,928,750.40 : x
  2. Step 2: Convert to fraction form
    3,936,679,969.60/5,904,572,056.80 = 1,028,928,750.40/x
  3. Step 3: Cross multiply
    3,936,679,969.60x = 5,904,572,056.80 × 1,028,928,750.40
  4. Step 4: Simplify right side
    3,936,679,969.60x = 6,075,383,948,049,981,440
  5. Step 5: Solve for x
    x = 6,075,383,948,049,981,440/3,936,679,969.60
  6. Step 6: Final answer
    x = 1,543,276,058.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.