Home / 623,568,940.80-935,353,411.20-192,790,982.40

Finding the Fourth Proportional to 623,568,940.80, 935,353,411.20 and 192,790,982.40

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Solution

The fourth proportional to 623,568,940.80, 935,353,411.20 and 192,790,982.40 is: 289,186,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,568,940.80 : 935,353,411.20 = 192,790,982.40 : x
  2. Step 2: Convert to fraction form
    623,568,940.80/935,353,411.20 = 192,790,982.40/x
  3. Step 3: Cross multiply
    623,568,940.80x = 935,353,411.20 × 192,790,982.40
  4. Step 4: Simplify right side
    623,568,940.80x = 180,327,703,036,439,168
  5. Step 5: Solve for x
    x = 180,327,703,036,439,168/623,568,940.80
  6. Step 6: Final answer
    x = 289,186,473.60

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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.