Home / 1,298,065,846.44-1,791,948,561.84-869,640,834.36

Finding the Fourth Proportional to 1,298,065,846.44, 1,791,948,561.84 and 869,640,834.36

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Solution

The fourth proportional to 1,298,065,846.44, 1,791,948,561.84 and 869,640,834.36 is: 1,200,518,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,065,846.44 : 1,791,948,561.84 = 869,640,834.36 : x
  2. Step 2: Convert to fraction form
    1,298,065,846.44/1,791,948,561.84 = 869,640,834.36/x
  3. Step 3: Cross multiply
    1,298,065,846.44x = 1,791,948,561.84 × 869,640,834.36
  4. Step 4: Simplify right side
    1,298,065,846.44x = 1,558,351,642,448,739,584
  5. Step 5: Solve for x
    x = 1,558,351,642,448,739,584/1,298,065,846.44
  6. Step 6: Final answer
    x = 1,200,518,176.12

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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.