Home / 657,542,520.84-907,064,648.82-406,566,687.36

Finding the Fourth Proportional to 657,542,520.84, 907,064,648.82 and 406,566,687.36

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Solution

The fourth proportional to 657,542,520.84, 907,064,648.82 and 406,566,687.36 is: 560,849,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,542,520.84 : 907,064,648.82 = 406,566,687.36 : x
  2. Step 2: Convert to fraction form
    657,542,520.84/907,064,648.82 = 406,566,687.36/x
  3. Step 3: Cross multiply
    657,542,520.84x = 907,064,648.82 × 406,566,687.36
  4. Step 4: Simplify right side
    657,542,520.84x = 368,782,269,492,109,184
  5. Step 5: Solve for x
    x = 368,782,269,492,109,184/657,542,520.84
  6. Step 6: Final answer
    x = 560,849,310.58

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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.