Home / 517,103,636.20-776,078,468.70-513,072,557.80

Finding the Fourth Proportional to 517,103,636.20, 776,078,468.70 and 513,072,557.80

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Solution

The fourth proportional to 517,103,636.20, 776,078,468.70 and 513,072,557.80 is: 770,028,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,103,636.20 : 776,078,468.70 = 513,072,557.80 : x
  2. Step 2: Convert to fraction form
    517,103,636.20/776,078,468.70 = 513,072,557.80/x
  3. Step 3: Cross multiply
    517,103,636.20x = 776,078,468.70 × 513,072,557.80
  4. Step 4: Simplify right side
    517,103,636.20x = 398,184,564,989,416,256
  5. Step 5: Solve for x
    x = 398,184,564,989,416,256/517,103,636.20
  6. Step 6: Final answer
    x = 770,028,553.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.