Home / 1,120,167,955.41-1,545,791,242.87-618,365,961.26

Finding the Fourth Proportional to 1,120,167,955.41, 1,545,791,242.87 and 618,365,961.26

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Solution

The fourth proportional to 1,120,167,955.41, 1,545,791,242.87 and 618,365,961.26 is: 853,322,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,167,955.41 : 1,545,791,242.87 = 618,365,961.26 : x
  2. Step 2: Convert to fraction form
    1,120,167,955.41/1,545,791,242.87 = 618,365,961.26/x
  3. Step 3: Cross multiply
    1,120,167,955.41x = 1,545,791,242.87 × 618,365,961.26
  4. Step 4: Simplify right side
    1,120,167,955.41x = 955,864,687,804,597,632
  5. Step 5: Solve for x
    x = 955,864,687,804,597,632/1,120,167,955.41
  6. Step 6: Final answer
    x = 853,322,649.69

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