Home / 404,352,015.80-606,528,023.70-268,191,145.40

Finding the Fourth Proportional to 404,352,015.80, 606,528,023.70 and 268,191,145.40

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Solution

The fourth proportional to 404,352,015.80, 606,528,023.70 and 268,191,145.40 is: 402,286,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,352,015.80 : 606,528,023.70 = 268,191,145.40 : x
  2. Step 2: Convert to fraction form
    404,352,015.80/606,528,023.70 = 268,191,145.40/x
  3. Step 3: Cross multiply
    404,352,015.80x = 606,528,023.70 × 268,191,145.40
  4. Step 4: Simplify right side
    404,352,015.80x = 162,665,445,393,301,376
  5. Step 5: Solve for x
    x = 162,665,445,393,301,376/404,352,015.80
  6. Step 6: Final answer
    x = 402,286,718.10

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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.