Home / 527,632,007.60-791,448,011.40-389,882,500.40

Finding the Fourth Proportional to 527,632,007.60, 791,448,011.40 and 389,882,500.40

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Solution

The fourth proportional to 527,632,007.60, 791,448,011.40 and 389,882,500.40 is: 584,823,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,632,007.60 : 791,448,011.40 = 389,882,500.40 : x
  2. Step 2: Convert to fraction form
    527,632,007.60/791,448,011.40 = 389,882,500.40/x
  3. Step 3: Cross multiply
    527,632,007.60x = 791,448,011.40 × 389,882,500.40
  4. Step 4: Simplify right side
    527,632,007.60x = 308,571,729,621,239,680
  5. Step 5: Solve for x
    x = 308,571,729,621,239,680/527,632,007.60
  6. Step 6: Final answer
    x = 584,823,750.60

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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.