Home / 356,748,002.70-535,122,004.05-319,334,556.30

Finding the Fourth Proportional to 356,748,002.70, 535,122,004.05 and 319,334,556.30

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Solution

The fourth proportional to 356,748,002.70, 535,122,004.05 and 319,334,556.30 is: 479,001,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,748,002.70 : 535,122,004.05 = 319,334,556.30 : x
  2. Step 2: Convert to fraction form
    356,748,002.70/535,122,004.05 = 319,334,556.30/x
  3. Step 3: Cross multiply
    356,748,002.70x = 535,122,004.05 × 319,334,556.30
  4. Step 4: Simplify right side
    356,748,002.70x = 170,882,947,729,673,568
  5. Step 5: Solve for x
    x = 170,882,947,729,673,568/356,748,002.70
  6. Step 6: Final answer
    x = 479,001,834.45

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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.