Home / 303,449,717.61-455,155,680.74-186,887,254.05

Finding the Fourth Proportional to 303,449,717.61, 455,155,680.74 and 186,887,254.05

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Solution

The fourth proportional to 303,449,717.61, 455,155,680.74 and 186,887,254.05 is: 280,319,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,449,717.61 : 455,155,680.74 = 186,887,254.05 : x
  2. Step 2: Convert to fraction form
    303,449,717.61/455,155,680.74 = 186,887,254.05/x
  3. Step 3: Cross multiply
    303,449,717.61x = 455,155,680.74 × 186,887,254.05
  4. Step 4: Simplify right side
    303,449,717.61x = 85,062,795,337,822,640
  5. Step 5: Solve for x
    x = 85,062,795,337,822,640/303,449,717.61
  6. Step 6: Final answer
    x = 280,319,243.69

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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.