Home / 681,029,321,960.32-1,021,544,966,114.40-278,112,792,250.10

Finding the Fourth Proportional to 681,029,321,960.32, 1,021,544,966,114.40 and 278,112,792,250.10

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Solution

The fourth proportional to 681,029,321,960.32, 1,021,544,966,114.40 and 278,112,792,250.10 is: 417,169,589,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,321,960.32 : 1,021,544,966,114.40 = 278,112,792,250.10 : x
  2. Step 2: Convert to fraction form
    681,029,321,960.32/1,021,544,966,114.40 = 278,112,792,250.10/x
  3. Step 3: Cross multiply
    681,029,321,960.32x = 1,021,544,966,114.40 × 278,112,792,250.10
  4. Step 4: Simplify right side
    681,029,321,960.32x = 284,104,722,935,109,541,429,248
  5. Step 5: Solve for x
    x = 284,104,722,935,109,541,429,248/681,029,321,960.32
  6. Step 6: Final answer
    x = 417,169,589,875.11

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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.