Home / 460,012,636.92-689,615,845.38-172,999,854.84

Finding the Fourth Proportional to 460,012,636.92, 689,615,845.38 and 172,999,854.84

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Solution

The fourth proportional to 460,012,636.92, 689,615,845.38 and 172,999,854.84 is: 259,348,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,012,636.92 : 689,615,845.38 = 172,999,854.84 : x
  2. Step 2: Convert to fraction form
    460,012,636.92/689,615,845.38 = 172,999,854.84/x
  3. Step 3: Cross multiply
    460,012,636.92x = 689,615,845.38 × 172,999,854.84
  4. Step 4: Simplify right side
    460,012,636.92x = 119,303,441,146,103,888
  5. Step 5: Solve for x
    x = 119,303,441,146,103,888/460,012,636.92
  6. Step 6: Final answer
    x = 259,348,182.14

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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.