Home / 370,827,911.48-511,768,383.30-245,161,773.56

Finding the Fourth Proportional to 370,827,911.48, 511,768,383.30 and 245,161,773.56

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Solution

The fourth proportional to 370,827,911.48, 511,768,383.30 and 245,161,773.56 is: 338,340,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,827,911.48 : 511,768,383.30 = 245,161,773.56 : x
  2. Step 2: Convert to fraction form
    370,827,911.48/511,768,383.30 = 245,161,773.56/x
  3. Step 3: Cross multiply
    370,827,911.48x = 511,768,383.30 × 245,161,773.56
  4. Step 4: Simplify right side
    370,827,911.48x = 125,466,044,501,761,888
  5. Step 5: Solve for x
    x = 125,466,044,501,761,888/370,827,911.48
  6. Step 6: Final answer
    x = 338,340,347.69

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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.