Home / 1,223,633,386.74-1,835,808,242.77-394,570,355.54

Finding the Fourth Proportional to 1,223,633,386.74, 1,835,808,242.77 and 394,570,355.54

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Solution

The fourth proportional to 1,223,633,386.74, 1,835,808,242.77 and 394,570,355.54 is: 591,971,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,633,386.74 : 1,835,808,242.77 = 394,570,355.54 : x
  2. Step 2: Convert to fraction form
    1,223,633,386.74/1,835,808,242.77 = 394,570,355.54/x
  3. Step 3: Cross multiply
    1,223,633,386.74x = 1,835,808,242.77 × 394,570,355.54
  4. Step 4: Simplify right side
    1,223,633,386.74x = 724,355,511,053,021,568
  5. Step 5: Solve for x
    x = 724,355,511,053,021,568/1,223,633,386.74
  6. Step 6: Final answer
    x = 591,971,025.72

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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.