Home / 846,335,455.90-1,269,655,702.94-348,257,989.73

Finding the Fourth Proportional to 846,335,455.90, 1,269,655,702.94 and 348,257,989.73

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Solution

The fourth proportional to 846,335,455.90, 1,269,655,702.94 and 348,257,989.73 is: 522,449,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,335,455.90 : 1,269,655,702.94 = 348,257,989.73 : x
  2. Step 2: Convert to fraction form
    846,335,455.90/1,269,655,702.94 = 348,257,989.73/x
  3. Step 3: Cross multiply
    846,335,455.90x = 1,269,655,702.94 × 348,257,989.73
  4. Step 4: Simplify right side
    846,335,455.90x = 442,167,742,759,159,296
  5. Step 5: Solve for x
    x = 442,167,742,759,159,296/846,335,455.90
  6. Step 6: Final answer
    x = 522,449,744.58

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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.