Home / 1,320,103,821,167.40-1,980,155,731,751.10-868,216,562,797.80

Finding the Fourth Proportional to 1,320,103,821,167.40, 1,980,155,731,751.10 and 868,216,562,797.80

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Solution

The fourth proportional to 1,320,103,821,167.40, 1,980,155,731,751.10 and 868,216,562,797.80 is: 1,302,324,844,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,103,821,167.40 : 1,980,155,731,751.10 = 868,216,562,797.80 : x
  2. Step 2: Convert to fraction form
    1,320,103,821,167.40/1,980,155,731,751.10 = 868,216,562,797.80/x
  3. Step 3: Cross multiply
    1,320,103,821,167.40x = 1,980,155,731,751.10 × 868,216,562,797.80
  4. Step 4: Simplify right side
    1,320,103,821,167.40x = 1,719,204,003,225,302,602,874,880
  5. Step 5: Solve for x
    x = 1,719,204,003,225,302,602,874,880/1,320,103,821,167.40
  6. Step 6: Final answer
    x = 1,302,324,844,196.70

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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.