Home / 607,714,514.30-838,389,227.83-406,836,108.68

Finding the Fourth Proportional to 607,714,514.30, 838,389,227.83 and 406,836,108.68

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Solution

The fourth proportional to 607,714,514.30, 838,389,227.83 and 406,836,108.68 is: 561,261,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,714,514.30 : 838,389,227.83 = 406,836,108.68 : x
  2. Step 2: Convert to fraction form
    607,714,514.30/838,389,227.83 = 406,836,108.68/x
  3. Step 3: Cross multiply
    607,714,514.30x = 838,389,227.83 × 406,836,108.68
  4. Step 4: Simplify right side
    607,714,514.30x = 341,087,011,007,935,232
  5. Step 5: Solve for x
    x = 341,087,011,007,935,232/607,714,514.30
  6. Step 6: Final answer
    x = 561,261,913.25

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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.