Home / 404,352,016.80-606,528,025.20-268,191,146.40

Finding the Fourth Proportional to 404,352,016.80, 606,528,025.20 and 268,191,146.40

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Solution

The fourth proportional to 404,352,016.80, 606,528,025.20 and 268,191,146.40 is: 402,286,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,352,016.80 : 606,528,025.20 = 268,191,146.40 : x
  2. Step 2: Convert to fraction form
    404,352,016.80/606,528,025.20 = 268,191,146.40/x
  3. Step 3: Cross multiply
    404,352,016.80x = 606,528,025.20 × 268,191,146.40
  4. Step 4: Simplify right side
    404,352,016.80x = 162,665,446,402,116,096
  5. Step 5: Solve for x
    x = 162,665,446,402,116,096/404,352,016.80
  6. Step 6: Final answer
    x = 402,286,719.60

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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.