Home / 607,714,535.88-838,389,253.98-406,836,126.46

Finding the Fourth Proportional to 607,714,535.88, 838,389,253.98 and 406,836,126.46

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Solution

The fourth proportional to 607,714,535.88, 838,389,253.98 and 406,836,126.46 is: 561,261,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,714,535.88 : 838,389,253.98 = 406,836,126.46 : x
  2. Step 2: Convert to fraction form
    607,714,535.88/838,389,253.98 = 406,836,126.46/x
  3. Step 3: Cross multiply
    607,714,535.88x = 838,389,253.98 × 406,836,126.46
  4. Step 4: Simplify right side
    607,714,535.88x = 341,087,036,554,912,320
  5. Step 5: Solve for x
    x = 341,087,036,554,912,320/607,714,535.88
  6. Step 6: Final answer
    x = 561,261,935.36

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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.