Home / 607,714,515.06-838,389,228.86-406,836,109.43

Finding the Fourth Proportional to 607,714,515.06, 838,389,228.86 and 406,836,109.43

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Solution

The fourth proportional to 607,714,515.06, 838,389,228.86 and 406,836,109.43 is: 561,261,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,714,515.06 : 838,389,228.86 = 406,836,109.43 : x
  2. Step 2: Convert to fraction form
    607,714,515.06/838,389,228.86 = 406,836,109.43/x
  3. Step 3: Cross multiply
    607,714,515.06x = 838,389,228.86 × 406,836,109.43
  4. Step 4: Simplify right side
    607,714,515.06x = 341,087,012,057,420,288
  5. Step 5: Solve for x
    x = 341,087,012,057,420,288/607,714,515.06
  6. Step 6: Final answer
    x = 561,261,914.28

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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.