Home / 331,776,012.60-497,664,018.90-319,682,777.40

Finding the Fourth Proportional to 331,776,012.60, 497,664,018.90 and 319,682,777.40

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Solution

The fourth proportional to 331,776,012.60, 497,664,018.90 and 319,682,777.40 is: 479,524,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,012.60 : 497,664,018.90 = 319,682,777.40 : x
  2. Step 2: Convert to fraction form
    331,776,012.60/497,664,018.90 = 319,682,777.40/x
  3. Step 3: Cross multiply
    331,776,012.60x = 497,664,018.90 × 319,682,777.40
  4. Step 4: Simplify right side
    331,776,012.60x = 159,094,615,773,998,080
  5. Step 5: Solve for x
    x = 159,094,615,773,998,080/331,776,012.60
  6. Step 6: Final answer
    x = 479,524,166.10

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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.