Home / 682,401,038.32-941,712,789.24-369,134,529.52

Finding the Fourth Proportional to 682,401,038.32, 941,712,789.24 and 369,134,529.52

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Solution

The fourth proportional to 682,401,038.32, 941,712,789.24 and 369,134,529.52 is: 509,405,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,401,038.32 : 941,712,789.24 = 369,134,529.52 : x
  2. Step 2: Convert to fraction form
    682,401,038.32/941,712,789.24 = 369,134,529.52/x
  3. Step 3: Cross multiply
    682,401,038.32x = 941,712,789.24 × 369,134,529.52
  4. Step 4: Simplify right side
    682,401,038.32x = 347,618,707,399,074,304
  5. Step 5: Solve for x
    x = 347,618,707,399,074,304/682,401,038.32
  6. Step 6: Final answer
    x = 509,405,302.57

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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.