Home / 1,041,815,015.54-1,437,706,101.44-565,505,075.18

Finding the Fourth Proportional to 1,041,815,015.54, 1,437,706,101.44 and 565,505,075.18

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Solution

The fourth proportional to 1,041,815,015.54, 1,437,706,101.44 and 565,505,075.18 is: 780,397,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,815,015.54 : 1,437,706,101.44 = 565,505,075.18 : x
  2. Step 2: Convert to fraction form
    1,041,815,015.54/1,437,706,101.44 = 565,505,075.18/x
  3. Step 3: Cross multiply
    1,041,815,015.54x = 1,437,706,101.44 × 565,505,075.18
  4. Step 4: Simplify right side
    1,041,815,015.54x = 813,030,096,975,797,120
  5. Step 5: Solve for x
    x = 813,030,096,975,797,120/1,041,815,015.54
  6. Step 6: Final answer
    x = 780,397,752.81

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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.