Home / 45,313,643,756.40-67,958,872,025.85-13,434,862,321.05

Finding the Fourth Proportional to 45,313,643,756.40, 67,958,872,025.85 and 13,434,862,321.05

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Solution

The fourth proportional to 45,313,643,756.40, 67,958,872,025.85 and 13,434,862,321.05 is: 20,148,856,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,313,643,756.40 : 67,958,872,025.85 = 13,434,862,321.05 : x
  2. Step 2: Convert to fraction form
    45,313,643,756.40/67,958,872,025.85 = 13,434,862,321.05/x
  3. Step 3: Cross multiply
    45,313,643,756.40x = 67,958,872,025.85 × 13,434,862,321.05
  4. Step 4: Simplify right side
    45,313,643,756.40x = 913,018,089,161,150,955,520
  5. Step 5: Solve for x
    x = 913,018,089,161,150,955,520/45,313,643,756.40
  6. Step 6: Final answer
    x = 20,148,856,138.55

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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.