Home / 944,784,964.80-1,417,177,447.20-331,289,474.40

Finding the Fourth Proportional to 944,784,964.80, 1,417,177,447.20 and 331,289,474.40

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Solution

The fourth proportional to 944,784,964.80, 1,417,177,447.20 and 331,289,474.40 is: 496,934,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,784,964.80 : 1,417,177,447.20 = 331,289,474.40 : x
  2. Step 2: Convert to fraction form
    944,784,964.80/1,417,177,447.20 = 331,289,474.40/x
  3. Step 3: Cross multiply
    944,784,964.80x = 1,417,177,447.20 × 331,289,474.40
  4. Step 4: Simplify right side
    944,784,964.80x = 469,495,971,614,421,760
  5. Step 5: Solve for x
    x = 469,495,971,614,421,760/944,784,964.80
  6. Step 6: Final answer
    x = 496,934,211.60

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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.