Home / 1,871,925,999.30-2,807,888,998.95-1,327,730,415.30

Finding the Fourth Proportional to 1,871,925,999.30, 2,807,888,998.95 and 1,327,730,415.30

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Solution

The fourth proportional to 1,871,925,999.30, 2,807,888,998.95 and 1,327,730,415.30 is: 1,991,595,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,925,999.30 : 2,807,888,998.95 = 1,327,730,415.30 : x
  2. Step 2: Convert to fraction form
    1,871,925,999.30/2,807,888,998.95 = 1,327,730,415.30/x
  3. Step 3: Cross multiply
    1,871,925,999.30x = 2,807,888,998.95 × 1,327,730,415.30
  4. Step 4: Simplify right side
    1,871,925,999.30x = 3,728,119,626,692,184,576
  5. Step 5: Solve for x
    x = 3,728,119,626,692,184,576/1,871,925,999.30
  6. Step 6: Final answer
    x = 1,991,595,622.95

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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.