Home / 1,120,166,767.08-1,545,854,905.26-618,374,391.48

Finding the Fourth Proportional to 1,120,166,767.08, 1,545,854,905.26 and 618,374,391.48

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Solution

The fourth proportional to 1,120,166,767.08, 1,545,854,905.26 and 618,374,391.48 is: 853,370,332.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,166,767.08 : 1,545,854,905.26 = 618,374,391.48 : x
  2. Step 2: Convert to fraction form
    1,120,166,767.08/1,545,854,905.26 = 618,374,391.48/x
  3. Step 3: Cross multiply
    1,120,166,767.08x = 1,545,854,905.26 × 618,374,391.48
  4. Step 4: Simplify right side
    1,120,166,767.08x = 955,917,086,356,525,568
  5. Step 5: Solve for x
    x = 955,917,086,356,525,568/1,120,166,767.08
  6. Step 6: Final answer
    x = 853,370,332.39

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Double scale
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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.