Home / 521,219,824.56-784,647,585.86-474,831,440.00

Finding the Fourth Proportional to 521,219,824.56, 784,647,585.86 and 474,831,440.00

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Solution

The fourth proportional to 521,219,824.56, 784,647,585.86 and 474,831,440.00 is: 714,814,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,219,824.56 : 784,647,585.86 = 474,831,440.00 : x
  2. Step 2: Convert to fraction form
    521,219,824.56/784,647,585.86 = 474,831,440.00/x
  3. Step 3: Cross multiply
    521,219,824.56x = 784,647,585.86 × 474,831,440.00
  4. Step 4: Simplify right side
    521,219,824.56x = 372,575,343,090,155,520
  5. Step 5: Solve for x
    x = 372,575,343,090,155,520/521,219,824.56
  6. Step 6: Final answer
    x = 714,814,221.44

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.