Home / 3,953,640,090.67-5,456,008,352.53-2,169,523,394.21

Finding the Fourth Proportional to 3,953,640,090.67, 5,456,008,352.53 and 2,169,523,394.21

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Solution

The fourth proportional to 3,953,640,090.67, 5,456,008,352.53 and 2,169,523,394.21 is: 2,993,934,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,640,090.67 : 5,456,008,352.53 = 2,169,523,394.21 : x
  2. Step 2: Convert to fraction form
    3,953,640,090.67/5,456,008,352.53 = 2,169,523,394.21/x
  3. Step 3: Cross multiply
    3,953,640,090.67x = 5,456,008,352.53 × 2,169,523,394.21
  4. Step 4: Simplify right side
    3,953,640,090.67x = 11,836,937,759,818,995,712
  5. Step 5: Solve for x
    x = 11,836,937,759,818,995,712/3,953,640,090.67
  6. Step 6: Final answer
    x = 2,993,934,067.94

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1.5x scale

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.