Home / 634,640,407.56-875,805,450.48-352,383,373.44

Finding the Fourth Proportional to 634,640,407.56, 875,805,450.48 and 352,383,373.44

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Solution

The fourth proportional to 634,640,407.56, 875,805,450.48 and 352,383,373.44 is: 486,289,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,640,407.56 : 875,805,450.48 = 352,383,373.44 : x
  2. Step 2: Convert to fraction form
    634,640,407.56/875,805,450.48 = 352,383,373.44/x
  3. Step 3: Cross multiply
    634,640,407.56x = 875,805,450.48 × 352,383,373.44
  4. Step 4: Simplify right side
    634,640,407.56x = 308,619,279,117,281,280
  5. Step 5: Solve for x
    x = 308,619,279,117,281,280/634,640,407.56
  6. Step 6: Final answer
    x = 486,289,992.63

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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.