Home / 262,336,007.80-393,504,011.70-80,592,225.40

Finding the Fourth Proportional to 262,336,007.80, 393,504,011.70 and 80,592,225.40

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Solution

The fourth proportional to 262,336,007.80, 393,504,011.70 and 80,592,225.40 is: 120,888,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,336,007.80 : 393,504,011.70 = 80,592,225.40 : x
  2. Step 2: Convert to fraction form
    262,336,007.80/393,504,011.70 = 80,592,225.40/x
  3. Step 3: Cross multiply
    262,336,007.80x = 393,504,011.70 × 80,592,225.40
  4. Step 4: Simplify right side
    262,336,007.80x = 31,713,364,006,730,640
  5. Step 5: Solve for x
    x = 31,713,364,006,730,640/262,336,007.80
  6. Step 6: Final answer
    x = 120,888,338.10

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1.5x scale

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.