Home / 579,702,945.30-869,554,417.95-396,036,935.70

Finding the Fourth Proportional to 579,702,945.30, 869,554,417.95 and 396,036,935.70

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Solution

The fourth proportional to 579,702,945.30, 869,554,417.95 and 396,036,935.70 is: 594,055,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,702,945.30 : 869,554,417.95 = 396,036,935.70 : x
  2. Step 2: Convert to fraction form
    579,702,945.30/869,554,417.95 = 396,036,935.70/x
  3. Step 3: Cross multiply
    579,702,945.30x = 869,554,417.95 × 396,036,935.70
  4. Step 4: Simplify right side
    579,702,945.30x = 344,375,667,109,315,072
  5. Step 5: Solve for x
    x = 344,375,667,109,315,072/579,702,945.30
  6. Step 6: Final answer
    x = 594,055,403.55

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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.