Home / 665,200,067.74-917,982,041.40-367,862,315.82

Finding the Fourth Proportional to 665,200,067.74, 917,982,041.40 and 367,862,315.82

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Solution

The fourth proportional to 665,200,067.74, 917,982,041.40 and 367,862,315.82 is: 507,653,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,200,067.74 : 917,982,041.40 = 367,862,315.82 : x
  2. Step 2: Convert to fraction form
    665,200,067.74/917,982,041.40 = 367,862,315.82/x
  3. Step 3: Cross multiply
    665,200,067.74x = 917,982,041.40 × 367,862,315.82
  4. Step 4: Simplify right side
    665,200,067.74x = 337,690,999,631,298,496
  5. Step 5: Solve for x
    x = 337,690,999,631,298,496/665,200,067.74
  6. Step 6: Final answer
    x = 507,653,285.09

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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.