Home / 510,118,811,134.35-703,959,775,806.65-278,632,478,028.24

Finding the Fourth Proportional to 510,118,811,134.35, 703,959,775,806.65 and 278,632,478,028.24

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Solution

The fourth proportional to 510,118,811,134.35, 703,959,775,806.65 and 278,632,478,028.24 is: 384,510,534,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,118,811,134.35 : 703,959,775,806.65 = 278,632,478,028.24 : x
  2. Step 2: Convert to fraction form
    510,118,811,134.35/703,959,775,806.65 = 278,632,478,028.24/x
  3. Step 3: Cross multiply
    510,118,811,134.35x = 703,959,775,806.65 × 278,632,478,028.24
  4. Step 4: Simplify right side
    510,118,811,134.35x = 196,146,056,765,211,154,579,456
  5. Step 5: Solve for x
    x = 196,146,056,765,211,154,579,456/510,118,811,134.35
  6. Step 6: Final answer
    x = 384,510,534,573.39

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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.