Home / 320,898,116.72-443,254,805.64-265,367,840.88

Finding the Fourth Proportional to 320,898,116.72, 443,254,805.64 and 265,367,840.88

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Solution

The fourth proportional to 320,898,116.72, 443,254,805.64 and 265,367,840.88 is: 366,551,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,898,116.72 : 443,254,805.64 = 265,367,840.88 : x
  2. Step 2: Convert to fraction form
    320,898,116.72/443,254,805.64 = 265,367,840.88/x
  3. Step 3: Cross multiply
    320,898,116.72x = 443,254,805.64 × 265,367,840.88
  4. Step 4: Simplify right side
    320,898,116.72x = 117,625,570,732,370,848
  5. Step 5: Solve for x
    x = 117,625,570,732,370,848/320,898,116.72
  6. Step 6: Final answer
    x = 366,551,140.70

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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.