Home / 492,070,057.10-737,601,200.85-287,492,828.30

Finding the Fourth Proportional to 492,070,057.10, 737,601,200.85 and 287,492,828.30

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Solution

The fourth proportional to 492,070,057.10, 737,601,200.85 and 287,492,828.30 is: 430,944,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,070,057.10 : 737,601,200.85 = 287,492,828.30 : x
  2. Step 2: Convert to fraction form
    492,070,057.10/737,601,200.85 = 287,492,828.30/x
  3. Step 3: Cross multiply
    492,070,057.10x = 737,601,200.85 × 287,492,828.30
  4. Step 4: Simplify right side
    492,070,057.10x = 212,055,055,389,842,880
  5. Step 5: Solve for x
    x = 212,055,055,389,842,880/492,070,057.10
  6. Step 6: Final answer
    x = 430,944,846.84

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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.