Home / 348,018,062.76-480,128,999.31-199,259,681.76

Finding the Fourth Proportional to 348,018,062.76, 480,128,999.31 and 199,259,681.76

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Solution

The fourth proportional to 348,018,062.76, 480,128,999.31 and 199,259,681.76 is: 274,900,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,018,062.76 : 480,128,999.31 = 199,259,681.76 : x
  2. Step 2: Convert to fraction form
    348,018,062.76/480,128,999.31 = 199,259,681.76/x
  3. Step 3: Cross multiply
    348,018,062.76x = 480,128,999.31 × 199,259,681.76
  4. Step 4: Simplify right side
    348,018,062.76x = 95,670,351,606,257,856
  5. Step 5: Solve for x
    x = 95,670,351,606,257,856/348,018,062.76
  6. Step 6: Final answer
    x = 274,900,534.90

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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.