Home / 579,871,645.83-800,222,989.64-319,111,261.83

Finding the Fourth Proportional to 579,871,645.83, 800,222,989.64 and 319,111,261.83

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Solution

The fourth proportional to 579,871,645.83, 800,222,989.64 and 319,111,261.83 is: 440,373,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,871,645.83 : 800,222,989.64 = 319,111,261.83 : x
  2. Step 2: Convert to fraction form
    579,871,645.83/800,222,989.64 = 319,111,261.83/x
  3. Step 3: Cross multiply
    579,871,645.83x = 800,222,989.64 × 319,111,261.83
  4. Step 4: Simplify right side
    579,871,645.83x = 255,360,167,967,799,840
  5. Step 5: Solve for x
    x = 255,360,167,967,799,840/579,871,645.83
  6. Step 6: Final answer
    x = 440,373,606.48

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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.