Home / 1,872,137,712.60-2,808,206,568.90-904,678,896.60

Finding the Fourth Proportional to 1,872,137,712.60, 2,808,206,568.90 and 904,678,896.60

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Solution

The fourth proportional to 1,872,137,712.60, 2,808,206,568.90 and 904,678,896.60 is: 1,357,018,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,137,712.60 : 2,808,206,568.90 = 904,678,896.60 : x
  2. Step 2: Convert to fraction form
    1,872,137,712.60/2,808,206,568.90 = 904,678,896.60/x
  3. Step 3: Cross multiply
    1,872,137,712.60x = 2,808,206,568.90 × 904,678,896.60
  4. Step 4: Simplify right side
    1,872,137,712.60x = 2,540,525,220,177,324,032
  5. Step 5: Solve for x
    x = 2,540,525,220,177,324,032/1,872,137,712.60
  6. Step 6: Final answer
    x = 1,357,018,344.90

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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.