Home / 422,401,803.84-633,473,039.88-292,081,424.40

Finding the Fourth Proportional to 422,401,803.84, 633,473,039.88 and 292,081,424.40

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Solution

The fourth proportional to 422,401,803.84, 633,473,039.88 and 292,081,424.40 is: 438,032,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,401,803.84 : 633,473,039.88 = 292,081,424.40 : x
  2. Step 2: Convert to fraction form
    422,401,803.84/633,473,039.88 = 292,081,424.40/x
  3. Step 3: Cross multiply
    422,401,803.84x = 633,473,039.88 × 292,081,424.40
  4. Step 4: Simplify right side
    422,401,803.84x = 185,025,707,807,148,384
  5. Step 5: Solve for x
    x = 185,025,707,807,148,384/422,401,803.84
  6. Step 6: Final answer
    x = 438,032,475.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.