Home / 816,454,435.15-1,224,341,135.30-256,071,885.47

Finding the Fourth Proportional to 816,454,435.15, 1,224,341,135.30 and 256,071,885.47

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Solution

The fourth proportional to 816,454,435.15, 1,224,341,135.30 and 256,071,885.47 is: 384,001,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,454,435.15 : 1,224,341,135.30 = 256,071,885.47 : x
  2. Step 2: Convert to fraction form
    816,454,435.15/1,224,341,135.30 = 256,071,885.47/x
  3. Step 3: Cross multiply
    816,454,435.15x = 1,224,341,135.30 × 256,071,885.47
  4. Step 4: Simplify right side
    816,454,435.15x = 313,519,342,974,751,360
  5. Step 5: Solve for x
    x = 313,519,342,974,751,360/816,454,435.15
  6. Step 6: Final answer
    x = 384,001,028.69

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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.