Home / 657,911,225,149.06-907,700,462,406.06-397,391,590,811.11

Finding the Fourth Proportional to 657,911,225,149.06, 907,700,462,406.06 and 397,391,590,811.11

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Solution

The fourth proportional to 657,911,225,149.06, 907,700,462,406.06 and 397,391,590,811.11 is: 548,269,305,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,911,225,149.06 : 907,700,462,406.06 = 397,391,590,811.11 : x
  2. Step 2: Convert to fraction form
    657,911,225,149.06/907,700,462,406.06 = 397,391,590,811.11/x
  3. Step 3: Cross multiply
    657,911,225,149.06x = 907,700,462,406.06 × 397,391,590,811.11
  4. Step 4: Simplify right side
    657,911,225,149.06x = 360,712,530,735,524,321,689,600
  5. Step 5: Solve for x
    x = 360,712,530,735,524,321,689,600/657,911,225,149.06
  6. Step 6: Final answer
    x = 548,269,305,868.43

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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.