Home / 914,517,231.48-1,262,042,647.32-496,832,511.60

Finding the Fourth Proportional to 914,517,231.48, 1,262,042,647.32 and 496,832,511.60

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Solution

The fourth proportional to 914,517,231.48, 1,262,042,647.32 and 496,832,511.60 is: 685,633,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,517,231.48 : 1,262,042,647.32 = 496,832,511.60 : x
  2. Step 2: Convert to fraction form
    914,517,231.48/1,262,042,647.32 = 496,832,511.60/x
  3. Step 3: Cross multiply
    914,517,231.48x = 1,262,042,647.32 × 496,832,511.60
  4. Step 4: Simplify right side
    914,517,231.48x = 627,023,818,214,308,608
  5. Step 5: Solve for x
    x = 627,023,818,214,308,608/914,517,231.48
  6. Step 6: Final answer
    x = 685,633,683.69

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1.5x scale

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.