Home / 682,717,040.40-942,149,516.94-369,451,254.24

Finding the Fourth Proportional to 682,717,040.40, 942,149,516.94 and 369,451,254.24

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Solution

The fourth proportional to 682,717,040.40, 942,149,516.94 and 369,451,254.24 is: 509,842,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,717,040.40 : 942,149,516.94 = 369,451,254.24 : x
  2. Step 2: Convert to fraction form
    682,717,040.40/942,149,516.94 = 369,451,254.24/x
  3. Step 3: Cross multiply
    682,717,040.40x = 942,149,516.94 × 369,451,254.24
  4. Step 4: Simplify right side
    682,717,040.40x = 348,078,320,715,093,184
  5. Step 5: Solve for x
    x = 348,078,320,715,093,184/682,717,040.40
  6. Step 6: Final answer
    x = 509,842,731.49

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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.