Home / 816,454,433.15-1,224,341,132.30-256,071,883.47

Finding the Fourth Proportional to 816,454,433.15, 1,224,341,132.30 and 256,071,883.47

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Solution

The fourth proportional to 816,454,433.15, 1,224,341,132.30 and 256,071,883.47 is: 384,001,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,454,433.15 : 1,224,341,132.30 = 256,071,883.47 : x
  2. Step 2: Convert to fraction form
    816,454,433.15/1,224,341,132.30 = 256,071,883.47/x
  3. Step 3: Cross multiply
    816,454,433.15x = 1,224,341,132.30 × 256,071,883.47
  4. Step 4: Simplify right side
    816,454,433.15x = 313,519,339,757,853,440
  5. Step 5: Solve for x
    x = 313,519,339,757,853,440/816,454,433.15
  6. Step 6: Final answer
    x = 384,001,025.69

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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.