Home / 442,887,607.60-664,331,411.40-115,362,487.60

Finding the Fourth Proportional to 442,887,607.60, 664,331,411.40 and 115,362,487.60

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Solution

The fourth proportional to 442,887,607.60, 664,331,411.40 and 115,362,487.60 is: 173,043,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,887,607.60 : 664,331,411.40 = 115,362,487.60 : x
  2. Step 2: Convert to fraction form
    442,887,607.60/664,331,411.40 = 115,362,487.60/x
  3. Step 3: Cross multiply
    442,887,607.60x = 664,331,411.40 × 115,362,487.60
  4. Step 4: Simplify right side
    442,887,607.60x = 76,638,924,209,922,992
  5. Step 5: Solve for x
    x = 76,638,924,209,922,992/442,887,607.60
  6. Step 6: Final answer
    x = 173,043,731.40

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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.