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Finding the Fourth Proportional to 657,483,170.99, 907,315,561.44 and 356,066,034.17

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Solution

The fourth proportional to 657,483,170.99, 907,315,561.44 and 356,066,034.17 is: 491,365,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,483,170.99 : 907,315,561.44 = 356,066,034.17 : x
  2. Step 2: Convert to fraction form
    657,483,170.99/907,315,561.44 = 356,066,034.17/x
  3. Step 3: Cross multiply
    657,483,170.99x = 907,315,561.44 × 356,066,034.17
  4. Step 4: Simplify right side
    657,483,170.99x = 323,064,253,698,131,264
  5. Step 5: Solve for x
    x = 323,064,253,698,131,264/657,483,170.99
  6. Step 6: Final answer
    x = 491,365,053.82

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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.