Home / 27,803,981,904.20-41,705,972,856.30-18,988,013,443.40

Finding the Fourth Proportional to 27,803,981,904.20, 41,705,972,856.30 and 18,988,013,443.40

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Solution

The fourth proportional to 27,803,981,904.20, 41,705,972,856.30 and 18,988,013,443.40 is: 28,482,020,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803,981,904.20 : 41,705,972,856.30 = 18,988,013,443.40 : x
  2. Step 2: Convert to fraction form
    27,803,981,904.20/41,705,972,856.30 = 18,988,013,443.40/x
  3. Step 3: Cross multiply
    27,803,981,904.20x = 41,705,972,856.30 × 18,988,013,443.40
  4. Step 4: Simplify right side
    27,803,981,904.20x = 791,913,573,265,500,012,544
  5. Step 5: Solve for x
    x = 791,913,573,265,500,012,544/27,803,981,904.20
  6. Step 6: Final answer
    x = 28,482,020,165.10

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Double scale
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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.