Home / 3,953,640,156.57-5,456,008,443.33-2,169,523,459.71

Finding the Fourth Proportional to 3,953,640,156.57, 5,456,008,443.33 and 2,169,523,459.71

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Solution

The fourth proportional to 3,953,640,156.57, 5,456,008,443.33 and 2,169,523,459.71 is: 2,993,934,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,640,156.57 : 5,456,008,443.33 = 2,169,523,459.71 : x
  2. Step 2: Convert to fraction form
    3,953,640,156.57/5,456,008,443.33 = 2,169,523,459.71/x
  3. Step 3: Cross multiply
    3,953,640,156.57x = 5,456,008,443.33 × 2,169,523,459.71
  4. Step 4: Simplify right side
    3,953,640,156.57x = 11,836,938,314,180,272,128
  5. Step 5: Solve for x
    x = 11,836,938,314,180,272,128/3,953,640,156.57
  6. Step 6: Final answer
    x = 2,993,934,158.25

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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.