Home / 564,579,747.61-779,141,078.43-338,555,530.17

Finding the Fourth Proportional to 564,579,747.61, 779,141,078.43 and 338,555,530.17

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Solution

The fourth proportional to 564,579,747.61, 779,141,078.43 and 338,555,530.17 is: 467,219,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,579,747.61 : 779,141,078.43 = 338,555,530.17 : x
  2. Step 2: Convert to fraction form
    564,579,747.61/779,141,078.43 = 338,555,530.17/x
  3. Step 3: Cross multiply
    564,579,747.61x = 779,141,078.43 × 338,555,530.17
  4. Step 4: Simplify right side
    564,579,747.61x = 263,782,520,885,094,208
  5. Step 5: Solve for x
    x = 263,782,520,885,094,208/564,579,747.61
  6. Step 6: Final answer
    x = 467,219,240.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.