Home / 685,113,533.82-1,027,651,700.30-474,818,787.18

Finding the Fourth Proportional to 685,113,533.82, 1,027,651,700.30 and 474,818,787.18

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Solution

The fourth proportional to 685,113,533.82, 1,027,651,700.30 and 474,818,787.18 is: 712,215,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,113,533.82 : 1,027,651,700.30 = 474,818,787.18 : x
  2. Step 2: Convert to fraction form
    685,113,533.82/1,027,651,700.30 = 474,818,787.18/x
  3. Step 3: Cross multiply
    685,113,533.82x = 1,027,651,700.30 × 474,818,787.18
  4. Step 4: Simplify right side
    685,113,533.82x = 487,948,333,977,536,704
  5. Step 5: Solve for x
    x = 487,948,333,977,536,704/685,113,533.82
  6. Step 6: Final answer
    x = 712,215,289.72

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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.