Home / 3,360,247,876.80-5,038,860,160.80-1,289,281,348.80

Finding the Fourth Proportional to 3,360,247,876.80, 5,038,860,160.80 and 1,289,281,348.80

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Solution

The fourth proportional to 3,360,247,876.80, 5,038,860,160.80 and 1,289,281,348.80 is: 1,933,342,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360,247,876.80 : 5,038,860,160.80 = 1,289,281,348.80 : x
  2. Step 2: Convert to fraction form
    3,360,247,876.80/5,038,860,160.80 = 1,289,281,348.80/x
  3. Step 3: Cross multiply
    3,360,247,876.80x = 5,038,860,160.80 × 1,289,281,348.80
  4. Step 4: Simplify right side
    3,360,247,876.80x = 6,496,508,424,530,808,832
  5. Step 5: Solve for x
    x = 6,496,508,424,530,808,832/3,360,247,876.80
  6. Step 6: Final answer
    x = 1,933,342,021.99

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1.5x scale

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.