Home / 507,245,621.22-759,775,208.85-342,577,887.44

Finding the Fourth Proportional to 507,245,621.22, 759,775,208.85 and 342,577,887.44

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Solution

The fourth proportional to 507,245,621.22, 759,775,208.85 and 342,577,887.44 is: 513,128,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,245,621.22 : 759,775,208.85 = 342,577,887.44 : x
  2. Step 2: Convert to fraction form
    507,245,621.22/759,775,208.85 = 342,577,887.44/x
  3. Step 3: Cross multiply
    507,245,621.22x = 759,775,208.85 × 342,577,887.44
  4. Step 4: Simplify right side
    507,245,621.22x = 260,282,185,973,318,912
  5. Step 5: Solve for x
    x = 260,282,185,973,318,912/507,245,621.22
  6. Step 6: Final answer
    x = 513,128,502.42

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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.