Home / 579,702,940.05-869,554,410.08-396,036,930.45

Finding the Fourth Proportional to 579,702,940.05, 869,554,410.08 and 396,036,930.45

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Solution

The fourth proportional to 579,702,940.05, 869,554,410.08 and 396,036,930.45 is: 594,055,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,702,940.05 : 869,554,410.08 = 396,036,930.45 : x
  2. Step 2: Convert to fraction form
    579,702,940.05/869,554,410.08 = 396,036,930.45/x
  3. Step 3: Cross multiply
    579,702,940.05x = 869,554,410.08 × 396,036,930.45
  4. Step 4: Simplify right side
    579,702,940.05x = 344,375,659,425,363,584
  5. Step 5: Solve for x
    x = 344,375,659,425,363,584/579,702,940.05
  6. Step 6: Final answer
    x = 594,055,395.68

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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.