Home / 726,543,427.28-1,089,776,067.96-357,710,686.16

Finding the Fourth Proportional to 726,543,427.28, 1,089,776,067.96 and 357,710,686.16

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Solution

The fourth proportional to 726,543,427.28, 1,089,776,067.96 and 357,710,686.16 is: 536,546,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,543,427.28 : 1,089,776,067.96 = 357,710,686.16 : x
  2. Step 2: Convert to fraction form
    726,543,427.28/1,089,776,067.96 = 357,710,686.16/x
  3. Step 3: Cross multiply
    726,543,427.28x = 1,089,776,067.96 × 357,710,686.16
  4. Step 4: Simplify right side
    726,543,427.28x = 389,824,545,030,718,464
  5. Step 5: Solve for x
    x = 389,824,545,030,718,464/726,543,427.28
  6. Step 6: Final answer
    x = 536,546,791.83

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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.