Home / 460,012,741.92-689,616,005.04-172,999,959.84

Finding the Fourth Proportional to 460,012,741.92, 689,616,005.04 and 172,999,959.84

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Solution

The fourth proportional to 460,012,741.92, 689,616,005.04 and 172,999,959.84 is: 259,348,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,012,741.92 : 689,616,005.04 = 172,999,959.84 : x
  2. Step 2: Convert to fraction form
    460,012,741.92/689,616,005.04 = 172,999,959.84/x
  3. Step 3: Cross multiply
    460,012,741.92x = 689,616,005.04 × 172,999,959.84
  4. Step 4: Simplify right side
    460,012,741.92x = 119,303,541,176,941,232
  5. Step 5: Solve for x
    x = 119,303,541,176,941,232/460,012,741.92
  6. Step 6: Final answer
    x = 259,348,340.39

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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.