Home / 320,898,562.56-443,255,417.04-265,368,285.12

Finding the Fourth Proportional to 320,898,562.56, 443,255,417.04 and 265,368,285.12

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Solution

The fourth proportional to 320,898,562.56, 443,255,417.04 and 265,368,285.12 is: 366,551,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,898,562.56 : 443,255,417.04 = 265,368,285.12 : x
  2. Step 2: Convert to fraction form
    320,898,562.56/443,255,417.04 = 265,368,285.12/x
  3. Step 3: Cross multiply
    320,898,562.56x = 443,255,417.04 × 265,368,285.12
  4. Step 4: Simplify right side
    320,898,562.56x = 117,625,929,890,055,232
  5. Step 5: Solve for x
    x = 117,625,929,890,055,232/320,898,562.56
  6. Step 6: Final answer
    x = 366,551,750.66

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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.