Home / 527,966,278.80-792,043,896.60-221,289,392.40

Finding the Fourth Proportional to 527,966,278.80, 792,043,896.60 and 221,289,392.40

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Solution

The fourth proportional to 527,966,278.80, 792,043,896.60 and 221,289,392.40 is: 331,973,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,966,278.80 : 792,043,896.60 = 221,289,392.40 : x
  2. Step 2: Convert to fraction form
    527,966,278.80/792,043,896.60 = 221,289,392.40/x
  3. Step 3: Cross multiply
    527,966,278.80x = 792,043,896.60 × 221,289,392.40
  4. Step 4: Simplify right side
    527,966,278.80x = 175,270,912,632,742,432
  5. Step 5: Solve for x
    x = 175,270,912,632,742,432/527,966,278.80
  6. Step 6: Final answer
    x = 331,973,687.85

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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.