Home / 10,641,083,155.51-15,961,640,095.35-4,345,512,378.79

Finding the Fourth Proportional to 10,641,083,155.51, 15,961,640,095.35 and 4,345,512,378.79

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Solution

The fourth proportional to 10,641,083,155.51, 15,961,640,095.35 and 4,345,512,378.79 is: 6,518,274,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641,083,155.51 : 15,961,640,095.35 = 4,345,512,378.79 : x
  2. Step 2: Convert to fraction form
    10,641,083,155.51/15,961,640,095.35 = 4,345,512,378.79/x
  3. Step 3: Cross multiply
    10,641,083,155.51x = 15,961,640,095.35 × 4,345,512,378.79
  4. Step 4: Simplify right side
    10,641,083,155.51x = 69,361,504,620,111,708,160
  5. Step 5: Solve for x
    x = 69,361,504,620,111,708,160/10,641,083,155.51
  6. Step 6: Final answer
    x = 6,518,274,841.62

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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.