Home / 389,943,411.66-538,179,663.82-246,902,469.94

Finding the Fourth Proportional to 389,943,411.66, 538,179,663.82 and 246,902,469.94

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Solution

The fourth proportional to 389,943,411.66, 538,179,663.82 and 246,902,469.94 is: 340,761,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,943,411.66 : 538,179,663.82 = 246,902,469.94 : x
  2. Step 2: Convert to fraction form
    389,943,411.66/538,179,663.82 = 246,902,469.94/x
  3. Step 3: Cross multiply
    389,943,411.66x = 538,179,663.82 × 246,902,469.94
  4. Step 4: Simplify right side
    389,943,411.66x = 132,877,888,266,674,144
  5. Step 5: Solve for x
    x = 132,877,888,266,674,144/389,943,411.66
  6. Step 6: Final answer
    x = 340,761,978.00

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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.