Home / 579,871,662.58-800,223,012.84-319,111,278.58

Finding the Fourth Proportional to 579,871,662.58, 800,223,012.84 and 319,111,278.58

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Solution

The fourth proportional to 579,871,662.58, 800,223,012.84 and 319,111,278.58 is: 440,373,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,871,662.58 : 800,223,012.84 = 319,111,278.58 : x
  2. Step 2: Convert to fraction form
    579,871,662.58/800,223,012.84 = 319,111,278.58/x
  3. Step 3: Cross multiply
    579,871,662.58x = 800,223,012.84 × 319,111,278.58
  4. Step 4: Simplify right side
    579,871,662.58x = 255,360,188,776,512,160
  5. Step 5: Solve for x
    x = 255,360,188,776,512,160/579,871,662.58
  6. Step 6: Final answer
    x = 440,373,629.64

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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.