Home / 390,048,199.48-585,273,449.76-182,807,664.24

Finding the Fourth Proportional to 390,048,199.48, 585,273,449.76 and 182,807,664.24

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Solution

The fourth proportional to 390,048,199.48, 585,273,449.76 and 182,807,664.24 is: 274,305,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,048,199.48 : 585,273,449.76 = 182,807,664.24 : x
  2. Step 2: Convert to fraction form
    390,048,199.48/585,273,449.76 = 182,807,664.24/x
  3. Step 3: Cross multiply
    390,048,199.48x = 585,273,449.76 × 182,807,664.24
  4. Step 4: Simplify right side
    390,048,199.48x = 106,992,472,292,312,592
  5. Step 5: Solve for x
    x = 106,992,472,292,312,592/390,048,199.48
  6. Step 6: Final answer
    x = 274,305,771.53

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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.