Home / 12,127,711,599.90-18,191,567,399.85-2,936,852,847.90

Finding the Fourth Proportional to 12,127,711,599.90, 18,191,567,399.85 and 2,936,852,847.90

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Solution

The fourth proportional to 12,127,711,599.90, 18,191,567,399.85 and 2,936,852,847.90 is: 4,405,279,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,711,599.90 : 18,191,567,399.85 = 2,936,852,847.90 : x
  2. Step 2: Convert to fraction form
    12,127,711,599.90/18,191,567,399.85 = 2,936,852,847.90/x
  3. Step 3: Cross multiply
    12,127,711,599.90x = 18,191,567,399.85 × 2,936,852,847.90
  4. Step 4: Simplify right side
    12,127,711,599.90x = 53,425,956,526,014,267,392
  5. Step 5: Solve for x
    x = 53,425,956,526,014,267,392/12,127,711,599.90
  6. Step 6: Final answer
    x = 4,405,279,271.85

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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.