Home / 1,171,123,386.45-1,756,620,418.42-856,312,021.14

Finding the Fourth Proportional to 1,171,123,386.45, 1,756,620,418.42 and 856,312,021.14

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Solution

The fourth proportional to 1,171,123,386.45, 1,756,620,418.42 and 856,312,021.14 is: 1,284,420,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,123,386.45 : 1,756,620,418.42 = 856,312,021.14 : x
  2. Step 2: Convert to fraction form
    1,171,123,386.45/1,756,620,418.42 = 856,312,021.14/x
  3. Step 3: Cross multiply
    1,171,123,386.45x = 1,756,620,418.42 × 856,312,021.14
  4. Step 4: Simplify right side
    1,171,123,386.45x = 1,504,215,180,867,480,576
  5. Step 5: Solve for x
    x = 1,504,215,180,867,480,576/1,171,123,386.45
  6. Step 6: Final answer
    x = 1,284,420,752.14

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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.