Home / 13,192,019,807.40-19,788,029,711.10-11,745,649,981.80

Finding the Fourth Proportional to 13,192,019,807.40, 19,788,029,711.10 and 11,745,649,981.80

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Solution

The fourth proportional to 13,192,019,807.40, 19,788,029,711.10 and 11,745,649,981.80 is: 17,618,474,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,019,807.40 : 19,788,029,711.10 = 11,745,649,981.80 : x
  2. Step 2: Convert to fraction form
    13,192,019,807.40/19,788,029,711.10 = 11,745,649,981.80/x
  3. Step 3: Cross multiply
    13,192,019,807.40x = 19,788,029,711.10 × 11,745,649,981.80
  4. Step 4: Simplify right side
    13,192,019,807.40x = 232,423,270,816,039,534,592
  5. Step 5: Solve for x
    x = 232,423,270,816,039,534,592/13,192,019,807.40
  6. Step 6: Final answer
    x = 17,618,474,972.70

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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.