Home / 852,078,318.30-1,278,117,477.45-334,242,207.90

Finding the Fourth Proportional to 852,078,318.30, 1,278,117,477.45 and 334,242,207.90

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Solution

The fourth proportional to 852,078,318.30, 1,278,117,477.45 and 334,242,207.90 is: 501,363,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,078,318.30 : 1,278,117,477.45 = 334,242,207.90 : x
  2. Step 2: Convert to fraction form
    852,078,318.30/1,278,117,477.45 = 334,242,207.90/x
  3. Step 3: Cross multiply
    852,078,318.30x = 1,278,117,477.45 × 334,242,207.90
  4. Step 4: Simplify right side
    852,078,318.30x = 427,200,807,618,466,432
  5. Step 5: Solve for x
    x = 427,200,807,618,466,432/852,078,318.30
  6. Step 6: Final answer
    x = 501,363,311.85

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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.