Home / 818,162,511.52-1,129,056,802.32-446,884,440.16

Finding the Fourth Proportional to 818,162,511.52, 1,129,056,802.32 and 446,884,440.16

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Solution

The fourth proportional to 818,162,511.52, 1,129,056,802.32 and 446,884,440.16 is: 616,696,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,162,511.52 : 1,129,056,802.32 = 446,884,440.16 : x
  2. Step 2: Convert to fraction form
    818,162,511.52/1,129,056,802.32 = 446,884,440.16/x
  3. Step 3: Cross multiply
    818,162,511.52x = 1,129,056,802.32 × 446,884,440.16
  4. Step 4: Simplify right side
    818,162,511.52x = 504,557,917,013,612,992
  5. Step 5: Solve for x
    x = 504,557,917,013,612,992/818,162,511.52
  6. Step 6: Final answer
    x = 616,696,450.78

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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.