Home / 510,118,811,113.20-703,959,775,777.48-278,632,478,007.16

Finding the Fourth Proportional to 510,118,811,113.20, 703,959,775,777.48 and 278,632,478,007.16

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Solution

The fourth proportional to 510,118,811,113.20, 703,959,775,777.48 and 278,632,478,007.16 is: 384,510,534,544.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,118,811,113.20 : 703,959,775,777.48 = 278,632,478,007.16 : x
  2. Step 2: Convert to fraction form
    510,118,811,113.20/703,959,775,777.48 = 278,632,478,007.16/x
  3. Step 3: Cross multiply
    510,118,811,113.20x = 703,959,775,777.48 × 278,632,478,007.16
  4. Step 4: Simplify right side
    510,118,811,113.20x = 196,146,056,742,243,951,181,824
  5. Step 5: Solve for x
    x = 196,146,056,742,243,951,181,824/510,118,811,113.20
  6. Step 6: Final answer
    x = 384,510,534,544.31

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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.