Home / 378,433,415.70-567,650,123.55-163,022,663.70

Finding the Fourth Proportional to 378,433,415.70, 567,650,123.55 and 163,022,663.70

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Solution

The fourth proportional to 378,433,415.70, 567,650,123.55 and 163,022,663.70 is: 244,533,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,433,415.70 : 567,650,123.55 = 163,022,663.70 : x
  2. Step 2: Convert to fraction form
    378,433,415.70/567,650,123.55 = 163,022,663.70/x
  3. Step 3: Cross multiply
    378,433,415.70x = 567,650,123.55 × 163,022,663.70
  4. Step 4: Simplify right side
    378,433,415.70x = 92,539,835,190,755,088
  5. Step 5: Solve for x
    x = 92,539,835,190,755,088/378,433,415.70
  6. Step 6: Final answer
    x = 244,533,995.55

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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.