Home / 442,887,407.60-664,331,111.40-115,362,287.60

Finding the Fourth Proportional to 442,887,407.60, 664,331,111.40 and 115,362,287.60

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Solution

The fourth proportional to 442,887,407.60, 664,331,111.40 and 115,362,287.60 is: 173,043,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,887,407.60 : 664,331,111.40 = 115,362,287.60 : x
  2. Step 2: Convert to fraction form
    442,887,407.60/664,331,111.40 = 115,362,287.60/x
  3. Step 3: Cross multiply
    442,887,407.60x = 664,331,111.40 × 115,362,287.60
  4. Step 4: Simplify right side
    442,887,407.60x = 76,638,756,734,954,432
  5. Step 5: Solve for x
    x = 76,638,756,734,954,432/442,887,407.60
  6. Step 6: Final answer
    x = 173,043,431.40

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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.