Home / 1,915,389,010.80-2,871,949,775.40-997,058,962.80

Finding the Fourth Proportional to 1,915,389,010.80, 2,871,949,775.40 and 997,058,962.80

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Solution

The fourth proportional to 1,915,389,010.80, 2,871,949,775.40 and 997,058,962.80 is: 1,494,998,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,389,010.80 : 2,871,949,775.40 = 997,058,962.80 : x
  2. Step 2: Convert to fraction form
    1,915,389,010.80/2,871,949,775.40 = 997,058,962.80/x
  3. Step 3: Cross multiply
    1,915,389,010.80x = 2,871,949,775.40 × 997,058,962.80
  4. Step 4: Simplify right side
    1,915,389,010.80x = 2,863,503,264,274,016,768
  5. Step 5: Solve for x
    x = 2,863,503,264,274,016,768/1,915,389,010.80
  6. Step 6: Final answer
    x = 1,494,998,273.52

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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.