Home / 510,118,811,128.86-703,959,775,799.04-278,632,478,022.74

Finding the Fourth Proportional to 510,118,811,128.86, 703,959,775,799.04 and 278,632,478,022.74

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Solution

The fourth proportional to 510,118,811,128.86, 703,959,775,799.04 and 278,632,478,022.74 is: 384,510,534,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,118,811,128.86 : 703,959,775,799.04 = 278,632,478,022.74 : x
  2. Step 2: Convert to fraction form
    510,118,811,128.86/703,959,775,799.04 = 278,632,478,022.74/x
  3. Step 3: Cross multiply
    510,118,811,128.86x = 703,959,775,799.04 × 278,632,478,022.74
  4. Step 4: Simplify right side
    510,118,811,128.86x = 196,146,056,759,219,004,112,896
  5. Step 5: Solve for x
    x = 196,146,056,759,219,004,112,896/510,118,811,128.86
  6. Step 6: Final answer
    x = 384,510,534,565.78

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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.