Home / 395,020,519.68-592,314,775.20-313,662,020.16

Finding the Fourth Proportional to 395,020,519.68, 592,314,775.20 and 313,662,020.16

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Solution

The fourth proportional to 395,020,519.68, 592,314,775.20 and 313,662,020.16 is: 470,321,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,020,519.68 : 592,314,775.20 = 313,662,020.16 : x
  2. Step 2: Convert to fraction form
    395,020,519.68/592,314,775.20 = 313,662,020.16/x
  3. Step 3: Cross multiply
    395,020,519.68x = 592,314,775.20 × 313,662,020.16
  4. Step 4: Simplify right side
    395,020,519.68x = 185,786,648,959,848,288
  5. Step 5: Solve for x
    x = 185,786,648,959,848,288/395,020,519.68
  6. Step 6: Final answer
    x = 470,321,514.21

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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.