Home / 682,602,634.35-942,018,313.32-385,255,161.90

Finding the Fourth Proportional to 682,602,634.35, 942,018,313.32 and 385,255,161.90

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Solution

The fourth proportional to 682,602,634.35, 942,018,313.32 and 385,255,161.90 is: 531,667,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,602,634.35 : 942,018,313.32 = 385,255,161.90 : x
  2. Step 2: Convert to fraction form
    682,602,634.35/942,018,313.32 = 385,255,161.90/x
  3. Step 3: Cross multiply
    682,602,634.35x = 942,018,313.32 × 385,255,161.90
  4. Step 4: Simplify right side
    682,602,634.35x = 362,917,417,810,861,504
  5. Step 5: Solve for x
    x = 362,917,417,810,861,504/682,602,634.35
  6. Step 6: Final answer
    x = 531,667,180.21

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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.