Home / 507,245,354.70-759,774,808.98-342,577,620.78

Finding the Fourth Proportional to 507,245,354.70, 759,774,808.98 and 342,577,620.78

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Solution

The fourth proportional to 507,245,354.70, 759,774,808.98 and 342,577,620.78 is: 513,128,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,245,354.70 : 759,774,808.98 = 342,577,620.78 : x
  2. Step 2: Convert to fraction form
    507,245,354.70/759,774,808.98 = 342,577,620.78/x
  3. Step 3: Cross multiply
    507,245,354.70x = 759,774,808.98 × 342,577,620.78
  4. Step 4: Simplify right side
    507,245,354.70x = 260,281,846,388,947,360
  5. Step 5: Solve for x
    x = 260,281,846,388,947,360/507,245,354.70
  6. Step 6: Final answer
    x = 513,128,102.56

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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.