Home / 468,444,309.47-646,460,216.90-256,749,446.34

Finding the Fourth Proportional to 468,444,309.47, 646,460,216.90 and 256,749,446.34

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Solution

The fourth proportional to 468,444,309.47, 646,460,216.90 and 256,749,446.34 is: 354,318,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,444,309.47 : 646,460,216.90 = 256,749,446.34 : x
  2. Step 2: Convert to fraction form
    468,444,309.47/646,460,216.90 = 256,749,446.34/x
  3. Step 3: Cross multiply
    468,444,309.47x = 646,460,216.90 × 256,749,446.34
  4. Step 4: Simplify right side
    468,444,309.47x = 165,978,302,769,911,296
  5. Step 5: Solve for x
    x = 165,978,302,769,911,296/468,444,309.47
  6. Step 6: Final answer
    x = 354,318,110.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.