Home / 420,719,375.04-580,965,014.88-262,220,001.36

Finding the Fourth Proportional to 420,719,375.04, 580,965,014.88 and 262,220,001.36

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Solution

The fourth proportional to 420,719,375.04, 580,965,014.88 and 262,220,001.36 is: 362,095,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,719,375.04 : 580,965,014.88 = 262,220,001.36 : x
  2. Step 2: Convert to fraction form
    420,719,375.04/580,965,014.88 = 262,220,001.36/x
  3. Step 3: Cross multiply
    420,719,375.04x = 580,965,014.88 × 262,220,001.36
  4. Step 4: Simplify right side
    420,719,375.04x = 152,340,646,991,946,016
  5. Step 5: Solve for x
    x = 152,340,646,991,946,016/420,719,375.04
  6. Step 6: Final answer
    x = 362,095,629.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.