Home / 579,871,549.78-800,232,370.19-315,564,682.84

Finding the Fourth Proportional to 579,871,549.78, 800,232,370.19 and 315,564,682.84

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Solution

The fourth proportional to 579,871,549.78, 800,232,370.19 and 315,564,682.84 is: 435,484,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,871,549.78 : 800,232,370.19 = 315,564,682.84 : x
  2. Step 2: Convert to fraction form
    579,871,549.78/800,232,370.19 = 315,564,682.84/x
  3. Step 3: Cross multiply
    579,871,549.78x = 800,232,370.19 × 315,564,682.84
  4. Step 4: Simplify right side
    579,871,549.78x = 252,525,074,097,308,832
  5. Step 5: Solve for x
    x = 252,525,074,097,308,832/579,871,549.78
  6. Step 6: Final answer
    x = 435,484,503.75

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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.