Home / 13,980,267,029.70-20,970,400,544.55-12,783,036,744.90

Finding the Fourth Proportional to 13,980,267,029.70, 20,970,400,544.55 and 12,783,036,744.90

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Solution

The fourth proportional to 13,980,267,029.70, 20,970,400,544.55 and 12,783,036,744.90 is: 19,174,555,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,267,029.70 : 20,970,400,544.55 = 12,783,036,744.90 : x
  2. Step 2: Convert to fraction form
    13,980,267,029.70/20,970,400,544.55 = 12,783,036,744.90/x
  3. Step 3: Cross multiply
    13,980,267,029.70x = 20,970,400,544.55 × 12,783,036,744.90
  4. Step 4: Simplify right side
    13,980,267,029.70x = 268,065,400,716,253,593,600
  5. Step 5: Solve for x
    x = 268,065,400,716,253,593,600/13,980,267,029.70
  6. Step 6: Final answer
    x = 19,174,555,117.35

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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.