Home / 1,041,815,014.79-1,437,706,100.41-565,505,074.43

Finding the Fourth Proportional to 1,041,815,014.79, 1,437,706,100.41 and 565,505,074.43

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Solution

The fourth proportional to 1,041,815,014.79, 1,437,706,100.41 and 565,505,074.43 is: 780,397,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,815,014.79 : 1,437,706,100.41 = 565,505,074.43 : x
  2. Step 2: Convert to fraction form
    1,041,815,014.79/1,437,706,100.41 = 565,505,074.43/x
  3. Step 3: Cross multiply
    1,041,815,014.79x = 1,437,706,100.41 × 565,505,074.43
  4. Step 4: Simplify right side
    1,041,815,014.79x = 813,030,095,312,219,776
  5. Step 5: Solve for x
    x = 813,030,095,312,219,776/1,041,815,014.79
  6. Step 6: Final answer
    x = 780,397,751.78

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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.