Home / 469,045,203.63-647,359,975.85-260,268,606.78

Finding the Fourth Proportional to 469,045,203.63, 647,359,975.85 and 260,268,606.78

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Solution

The fourth proportional to 469,045,203.63, 647,359,975.85 and 260,268,606.78 is: 359,213,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,045,203.63 : 647,359,975.85 = 260,268,606.78 : x
  2. Step 2: Convert to fraction form
    469,045,203.63/647,359,975.85 = 260,268,606.78/x
  3. Step 3: Cross multiply
    469,045,203.63x = 647,359,975.85 × 260,268,606.78
  4. Step 4: Simplify right side
    469,045,203.63x = 168,487,478,998,312,608
  5. Step 5: Solve for x
    x = 168,487,478,998,312,608/469,045,203.63
  6. Step 6: Final answer
    x = 359,213,733.97

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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.