Home / 510,118,811,077-703,959,775,727.36-278,632,477,970.95

Finding the Fourth Proportional to 510,118,811,077, 703,959,775,727.36 and 278,632,477,970.95

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Solution

The fourth proportional to 510,118,811,077, 703,959,775,727.36 and 278,632,477,970.95 is: 384,510,534,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,118,811,077 : 703,959,775,727.36 = 278,632,477,970.95 : x
  2. Step 2: Convert to fraction form
    510,118,811,077/703,959,775,727.36 = 278,632,477,970.95/x
  3. Step 3: Cross multiply
    510,118,811,077x = 703,959,775,727.36 × 278,632,477,970.95
  4. Step 4: Simplify right side
    510,118,811,077x = 196,146,056,702,788,536,107,008
  5. Step 5: Solve for x
    x = 196,146,056,702,788,536,107,008/510,118,811,077
  6. Step 6: Final answer
    x = 384,510,534,494.25

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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.