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Finding the Fourth Proportional to 538,190,301.60, 753,976,605.60 and 538,190,301.60

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Solution

The fourth proportional to 538,190,301.60, 753,976,605.60 and 538,190,301.60 is: 753,976,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,190,301.60 : 753,976,605.60 = 538,190,301.60 : x
  2. Step 2: Convert to fraction form
    538,190,301.60/753,976,605.60 = 538,190,301.60/x
  3. Step 3: Cross multiply
    538,190,301.60x = 753,976,605.60 × 538,190,301.60
  4. Step 4: Simplify right side
    538,190,301.60x = 405,782,896,767,208,256
  5. Step 5: Solve for x
    x = 405,782,896,767,208,256/538,190,301.60
  6. Step 6: Final answer
    x = 753,976,605.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.