Home / 828,633,673,849.20-1,143,502,300,219.70-462,833,215,507.35

Finding the Fourth Proportional to 828,633,673,849.20, 1,143,502,300,219.70 and 462,833,215,507.35

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Solution

The fourth proportional to 828,633,673,849.20, 1,143,502,300,219.70 and 462,833,215,507.35 is: 638,703,040,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,633,673,849.20 : 1,143,502,300,219.70 = 462,833,215,507.35 : x
  2. Step 2: Convert to fraction form
    828,633,673,849.20/1,143,502,300,219.70 = 462,833,215,507.35/x
  3. Step 3: Cross multiply
    828,633,673,849.20x = 1,143,502,300,219.70 × 462,833,215,507.35
  4. Step 4: Simplify right side
    828,633,673,849.20x = 529,250,846,550,734,793,605,120
  5. Step 5: Solve for x
    x = 529,250,846,550,734,793,605,120/828,633,673,849.20
  6. Step 6: Final answer
    x = 638,703,040,020.37

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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.