Home / 13,001,540,998.80-19,502,311,498.20-9,690,681,939.60

Finding the Fourth Proportional to 13,001,540,998.80, 19,502,311,498.20 and 9,690,681,939.60

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Solution

The fourth proportional to 13,001,540,998.80, 19,502,311,498.20 and 9,690,681,939.60 is: 14,536,022,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001,540,998.80 : 19,502,311,498.20 = 9,690,681,939.60 : x
  2. Step 2: Convert to fraction form
    13,001,540,998.80/19,502,311,498.20 = 9,690,681,939.60/x
  3. Step 3: Cross multiply
    13,001,540,998.80x = 19,502,311,498.20 × 9,690,681,939.60
  4. Step 4: Simplify right side
    13,001,540,998.80x = 188,990,697,816,060,166,144
  5. Step 5: Solve for x
    x = 188,990,697,816,060,166,144/13,001,540,998.80
  6. Step 6: Final answer
    x = 14,536,022,909.40

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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.