Home / 626,603,278.86-864,735,861.51-375,748,512.21

Finding the Fourth Proportional to 626,603,278.86, 864,735,861.51 and 375,748,512.21

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Solution

The fourth proportional to 626,603,278.86, 864,735,861.51 and 375,748,512.21 is: 518,546,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,603,278.86 : 864,735,861.51 = 375,748,512.21 : x
  2. Step 2: Convert to fraction form
    626,603,278.86/864,735,861.51 = 375,748,512.21/x
  3. Step 3: Cross multiply
    626,603,278.86x = 864,735,861.51 × 375,748,512.21
  4. Step 4: Simplify right side
    626,603,278.86x = 324,923,213,417,015,104
  5. Step 5: Solve for x
    x = 324,923,213,417,015,104/626,603,278.86
  6. Step 6: Final answer
    x = 518,546,940.91

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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.