Home / 439,301,372.31-658,990,356.39-144,107,985.51

Finding the Fourth Proportional to 439,301,372.31, 658,990,356.39 and 144,107,985.51

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Solution

The fourth proportional to 439,301,372.31, 658,990,356.39 and 144,107,985.51 is: 216,174,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,301,372.31 : 658,990,356.39 = 144,107,985.51 : x
  2. Step 2: Convert to fraction form
    439,301,372.31/658,990,356.39 = 144,107,985.51/x
  3. Step 3: Cross multiply
    439,301,372.31x = 658,990,356.39 × 144,107,985.51
  4. Step 4: Simplify right side
    439,301,372.31x = 94,965,772,729,879,840
  5. Step 5: Solve for x
    x = 94,965,772,729,879,840/439,301,372.31
  6. Step 6: Final answer
    x = 216,174,541.48

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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.