Home / 1,308,404,749.35-1,805,604,167.56-713,702,193.69

Finding the Fourth Proportional to 1,308,404,749.35, 1,805,604,167.56 and 713,702,193.69

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Solution

The fourth proportional to 1,308,404,749.35, 1,805,604,167.56 and 713,702,193.69 is: 984,912,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,404,749.35 : 1,805,604,167.56 = 713,702,193.69 : x
  2. Step 2: Convert to fraction form
    1,308,404,749.35/1,805,604,167.56 = 713,702,193.69/x
  3. Step 3: Cross multiply
    1,308,404,749.35x = 1,805,604,167.56 × 713,702,193.69
  4. Step 4: Simplify right side
    1,308,404,749.35x = 1,288,663,655,323,378,432
  5. Step 5: Solve for x
    x = 1,288,663,655,323,378,432/1,308,404,749.35
  6. Step 6: Final answer
    x = 984,912,089.29

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Double scale
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1.5x scale

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.