Home / 1,716,590,849.21-2,571,132,191.54-1,217,087,275.31

Finding the Fourth Proportional to 1,716,590,849.21, 2,571,132,191.54 and 1,217,087,275.31

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Solution

The fourth proportional to 1,716,590,849.21, 2,571,132,191.54 and 1,217,087,275.31 is: 1,822,969,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,590,849.21 : 2,571,132,191.54 = 1,217,087,275.31 : x
  2. Step 2: Convert to fraction form
    1,716,590,849.21/2,571,132,191.54 = 1,217,087,275.31/x
  3. Step 3: Cross multiply
    1,716,590,849.21x = 2,571,132,191.54 × 1,217,087,275.31
  4. Step 4: Simplify right side
    1,716,590,849.21x = 3,129,292,273,463,247,360
  5. Step 5: Solve for x
    x = 3,129,292,273,463,247,360/1,716,590,849.21
  6. Step 6: Final answer
    x = 1,822,969,215.35

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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.