Home / 18,191,521,364.40-27,287,282,046.60-8,870,471,377.20

Finding the Fourth Proportional to 18,191,521,364.40, 27,287,282,046.60 and 8,870,471,377.20

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Solution

The fourth proportional to 18,191,521,364.40, 27,287,282,046.60 and 8,870,471,377.20 is: 13,305,707,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,521,364.40 : 27,287,282,046.60 = 8,870,471,377.20 : x
  2. Step 2: Convert to fraction form
    18,191,521,364.40/27,287,282,046.60 = 8,870,471,377.20/x
  3. Step 3: Cross multiply
    18,191,521,364.40x = 27,287,282,046.60 × 8,870,471,377.20
  4. Step 4: Simplify right side
    18,191,521,364.40x = 242,051,054,355,948,732,416
  5. Step 5: Solve for x
    x = 242,051,054,355,948,732,416/18,191,521,364.40
  6. Step 6: Final answer
    x = 13,305,707,065.80

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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.