Home / 579,871,648.08-800,222,992.74-319,111,264.08

Finding the Fourth Proportional to 579,871,648.08, 800,222,992.74 and 319,111,264.08

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Solution

The fourth proportional to 579,871,648.08, 800,222,992.74 and 319,111,264.08 is: 440,373,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,871,648.08 : 800,222,992.74 = 319,111,264.08 : x
  2. Step 2: Convert to fraction form
    579,871,648.08/800,222,992.74 = 319,111,264.08/x
  3. Step 3: Cross multiply
    579,871,648.08x = 800,222,992.74 × 319,111,264.08
  4. Step 4: Simplify right side
    579,871,648.08x = 255,360,170,759,142,048
  5. Step 5: Solve for x
    x = 255,360,170,759,142,048/579,871,648.08
  6. Step 6: Final answer
    x = 440,373,609.58

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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.