Home / 1,871,925,992.55-2,807,888,988.83-1,327,730,408.55

Finding the Fourth Proportional to 1,871,925,992.55, 2,807,888,988.83 and 1,327,730,408.55

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Solution

The fourth proportional to 1,871,925,992.55, 2,807,888,988.83 and 1,327,730,408.55 is: 1,991,595,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,925,992.55 : 2,807,888,988.83 = 1,327,730,408.55 : x
  2. Step 2: Convert to fraction form
    1,871,925,992.55/2,807,888,988.83 = 1,327,730,408.55/x
  3. Step 3: Cross multiply
    1,871,925,992.55x = 2,807,888,988.83 × 1,327,730,408.55
  4. Step 4: Simplify right side
    1,871,925,992.55x = 3,728,119,594,295,663,104
  5. Step 5: Solve for x
    x = 3,728,119,594,295,663,104/1,871,925,992.55
  6. Step 6: Final answer
    x = 1,991,595,612.83

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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.