Home / 878,486,228.59-1,212,313,297.66-476,599,956.52

Finding the Fourth Proportional to 878,486,228.59, 1,212,313,297.66 and 476,599,956.52

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Solution

The fourth proportional to 878,486,228.59, 1,212,313,297.66 and 476,599,956.52 is: 657,709,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,486,228.59 : 1,212,313,297.66 = 476,599,956.52 : x
  2. Step 2: Convert to fraction form
    878,486,228.59/1,212,313,297.66 = 476,599,956.52/x
  3. Step 3: Cross multiply
    878,486,228.59x = 1,212,313,297.66 × 476,599,956.52
  4. Step 4: Simplify right side
    878,486,228.59x = 577,788,464,954,348,672
  5. Step 5: Solve for x
    x = 577,788,464,954,348,672/878,486,228.59
  6. Step 6: Final answer
    x = 657,709,189.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.