Home / 20,191,392,152.20-30,287,088,228.30-20,191,392,152.20

Finding the Fourth Proportional to 20,191,392,152.20, 30,287,088,228.30 and 20,191,392,152.20

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Solution

The fourth proportional to 20,191,392,152.20, 30,287,088,228.30 and 20,191,392,152.20 is: 30,287,088,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191,392,152.20 : 30,287,088,228.30 = 20,191,392,152.20 : x
  2. Step 2: Convert to fraction form
    20,191,392,152.20/30,287,088,228.30 = 20,191,392,152.20/x
  3. Step 3: Cross multiply
    20,191,392,152.20x = 30,287,088,228.30 × 20,191,392,152.20
  4. Step 4: Simplify right side
    20,191,392,152.20x = 611,538,475,565,885,685,760
  5. Step 5: Solve for x
    x = 611,538,475,565,885,685,760/20,191,392,152.20
  6. Step 6: Final answer
    x = 30,287,088,228.30

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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.