Home / 834,634,407.48-1,251,955,930.14-489,345,896.76

Finding the Fourth Proportional to 834,634,407.48, 1,251,955,930.14 and 489,345,896.76

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Solution

The fourth proportional to 834,634,407.48, 1,251,955,930.14 and 489,345,896.76 is: 734,021,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,634,407.48 : 1,251,955,930.14 = 489,345,896.76 : x
  2. Step 2: Convert to fraction form
    834,634,407.48/1,251,955,930.14 = 489,345,896.76/x
  3. Step 3: Cross multiply
    834,634,407.48x = 1,251,955,930.14 × 489,345,896.76
  4. Step 4: Simplify right side
    834,634,407.48x = 612,639,497,338,358,272
  5. Step 5: Solve for x
    x = 612,639,497,338,358,272/834,634,407.48
  6. Step 6: Final answer
    x = 734,021,377.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.