Home / 579,880,731.68-800,232,383.04-315,564,616.46

Finding the Fourth Proportional to 579,880,731.68, 800,232,383.04 and 315,564,616.46

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Solution

The fourth proportional to 579,880,731.68, 800,232,383.04 and 315,564,616.46 is: 435,477,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,880,731.68 : 800,232,383.04 = 315,564,616.46 : x
  2. Step 2: Convert to fraction form
    579,880,731.68/800,232,383.04 = 315,564,616.46/x
  3. Step 3: Cross multiply
    579,880,731.68x = 800,232,383.04 × 315,564,616.46
  4. Step 4: Simplify right side
    579,880,731.68x = 252,525,025,033,706,592
  5. Step 5: Solve for x
    x = 252,525,025,033,706,592/579,880,731.68
  6. Step 6: Final answer
    x = 435,477,523.63

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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.