Home / 1,871,474,154.90-2,807,641,754.89-628,069,618.81

Finding the Fourth Proportional to 1,871,474,154.90, 2,807,641,754.89 and 628,069,618.81

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Solution

The fourth proportional to 1,871,474,154.90, 2,807,641,754.89 and 628,069,618.81 is: 942,248,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,474,154.90 : 2,807,641,754.89 = 628,069,618.81 : x
  2. Step 2: Convert to fraction form
    1,871,474,154.90/2,807,641,754.89 = 628,069,618.81/x
  3. Step 3: Cross multiply
    1,871,474,154.90x = 2,807,641,754.89 × 628,069,618.81
  4. Step 4: Simplify right side
    1,871,474,154.90x = 1,763,394,486,750,740,992
  5. Step 5: Solve for x
    x = 1,763,394,486,750,740,992/1,871,474,154.90
  6. Step 6: Final answer
    x = 942,248,912.25

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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.