Home / 677,959,528.10-1,017,072,002.55-289,781,608.10

Finding the Fourth Proportional to 677,959,528.10, 1,017,072,002.55 and 289,781,608.10

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Solution

The fourth proportional to 677,959,528.10, 1,017,072,002.55 and 289,781,608.10 is: 434,729,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,959,528.10 : 1,017,072,002.55 = 289,781,608.10 : x
  2. Step 2: Convert to fraction form
    677,959,528.10/1,017,072,002.55 = 289,781,608.10/x
  3. Step 3: Cross multiply
    677,959,528.10x = 1,017,072,002.55 × 289,781,608.10
  4. Step 4: Simplify right side
    677,959,528.10x = 294,728,760,452,426,304
  5. Step 5: Solve for x
    x = 294,728,760,452,426,304/677,959,528.10
  6. Step 6: Final answer
    x = 434,729,136.82

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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.