Home / 27,803,981,981.70-41,705,972,972.55-18,988,013,520.90

Finding the Fourth Proportional to 27,803,981,981.70, 41,705,972,972.55 and 18,988,013,520.90

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Solution

The fourth proportional to 27,803,981,981.70, 41,705,972,972.55 and 18,988,013,520.90 is: 28,482,020,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803,981,981.70 : 41,705,972,972.55 = 18,988,013,520.90 : x
  2. Step 2: Convert to fraction form
    27,803,981,981.70/41,705,972,972.55 = 18,988,013,520.90/x
  3. Step 3: Cross multiply
    27,803,981,981.70x = 41,705,972,972.55 × 18,988,013,520.90
  4. Step 4: Simplify right side
    27,803,981,981.70x = 791,913,578,705,069,539,328
  5. Step 5: Solve for x
    x = 791,913,578,705,069,539,328/27,803,981,981.70
  6. Step 6: Final answer
    x = 28,482,020,281.35

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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.