Home / 20,348,928,843.20-30,523,393,264.80-20,219,934,334.40

Finding the Fourth Proportional to 20,348,928,843.20, 30,523,393,264.80 and 20,219,934,334.40

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Solution

The fourth proportional to 20,348,928,843.20, 30,523,393,264.80 and 20,219,934,334.40 is: 30,329,901,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,928,843.20 : 30,523,393,264.80 = 20,219,934,334.40 : x
  2. Step 2: Convert to fraction form
    20,348,928,843.20/30,523,393,264.80 = 20,219,934,334.40/x
  3. Step 3: Cross multiply
    20,348,928,843.20x = 30,523,393,264.80 × 20,219,934,334.40
  4. Step 4: Simplify right side
    20,348,928,843.20x = 617,181,007,477,323,202,560
  5. Step 5: Solve for x
    x = 617,181,007,477,323,202,560/20,348,928,843.20
  6. Step 6: Final answer
    x = 30,329,901,501.60

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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.