Home / 1,308,404,750.85-1,805,604,169.63-713,702,195.19

Finding the Fourth Proportional to 1,308,404,750.85, 1,805,604,169.63 and 713,702,195.19

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Solution

The fourth proportional to 1,308,404,750.85, 1,805,604,169.63 and 713,702,195.19 is: 984,912,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,404,750.85 : 1,805,604,169.63 = 713,702,195.19 : x
  2. Step 2: Convert to fraction form
    1,308,404,750.85/1,805,604,169.63 = 713,702,195.19/x
  3. Step 3: Cross multiply
    1,308,404,750.85x = 1,805,604,169.63 × 713,702,195.19
  4. Step 4: Simplify right side
    1,308,404,750.85x = 1,288,663,659,509,148,416
  5. Step 5: Solve for x
    x = 1,288,663,659,509,148,416/1,308,404,750.85
  6. Step 6: Final answer
    x = 984,912,091.36

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.