Home / 376,583,981.44-519,826,865.92-282,769,138.40

Finding the Fourth Proportional to 376,583,981.44, 519,826,865.92 and 282,769,138.40

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Solution

The fourth proportional to 376,583,981.44, 519,826,865.92 and 282,769,138.40 is: 390,327,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,583,981.44 : 519,826,865.92 = 282,769,138.40 : x
  2. Step 2: Convert to fraction form
    376,583,981.44/519,826,865.92 = 282,769,138.40/x
  3. Step 3: Cross multiply
    376,583,981.44x = 519,826,865.92 × 282,769,138.40
  4. Step 4: Simplify right side
    376,583,981.44x = 146,990,994,993,370,720
  5. Step 5: Solve for x
    x = 146,990,994,993,370,720/376,583,981.44
  6. Step 6: Final answer
    x = 390,327,263.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.