Home / 1,640,895,694.22-2,263,588,681.14-1,112,078,831.78

Finding the Fourth Proportional to 1,640,895,694.22, 2,263,588,681.14 and 1,112,078,831.78

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Solution

The fourth proportional to 1,640,895,694.22, 2,263,588,681.14 and 1,112,078,831.78 is: 1,534,094,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,895,694.22 : 2,263,588,681.14 = 1,112,078,831.78 : x
  2. Step 2: Convert to fraction form
    1,640,895,694.22/2,263,588,681.14 = 1,112,078,831.78/x
  3. Step 3: Cross multiply
    1,640,895,694.22x = 2,263,588,681.14 × 1,112,078,831.78
  4. Step 4: Simplify right side
    1,640,895,694.22x = 2,517,289,056,158,261,248
  5. Step 5: Solve for x
    x = 2,517,289,056,158,261,248/1,640,895,694.22
  6. Step 6: Final answer
    x = 1,534,094,497.91

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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.