Home / 515,101,641-772,970,268.22-238,701,335.88

Finding the Fourth Proportional to 515,101,641, 772,970,268.22 and 238,701,335.88

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Solution

The fourth proportional to 515,101,641, 772,970,268.22 and 238,701,335.88 is: 358,199,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,101,641 : 772,970,268.22 = 238,701,335.88 : x
  2. Step 2: Convert to fraction form
    515,101,641/772,970,268.22 = 238,701,335.88/x
  3. Step 3: Cross multiply
    515,101,641x = 772,970,268.22 × 238,701,335.88
  4. Step 4: Simplify right side
    515,101,641x = 184,509,035,619,635,904
  5. Step 5: Solve for x
    x = 184,509,035,619,635,904/515,101,641
  6. Step 6: Final answer
    x = 358,199,277.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.