Home / 3,459,025,000.72-5,187,464,401.74-1,247,947,277.68

Finding the Fourth Proportional to 3,459,025,000.72, 5,187,464,401.74 and 1,247,947,277.68

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Solution

The fourth proportional to 3,459,025,000.72, 5,187,464,401.74 and 1,247,947,277.68 is: 1,871,533,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459,025,000.72 : 5,187,464,401.74 = 1,247,947,277.68 : x
  2. Step 2: Convert to fraction form
    3,459,025,000.72/5,187,464,401.74 = 1,247,947,277.68/x
  3. Step 3: Cross multiply
    3,459,025,000.72x = 5,187,464,401.74 × 1,247,947,277.68
  4. Step 4: Simplify right side
    3,459,025,000.72x = 6,473,682,078,213,343,232
  5. Step 5: Solve for x
    x = 6,473,682,078,213,343,232/3,459,025,000.72
  6. Step 6: Final answer
    x = 1,871,533,763.67

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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.