Home / 631,117,034.74-870,924,799.53-352,660,846.42

Finding the Fourth Proportional to 631,117,034.74, 870,924,799.53 and 352,660,846.42

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Solution

The fourth proportional to 631,117,034.74, 870,924,799.53 and 352,660,846.42 is: 486,662,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,117,034.74 : 870,924,799.53 = 352,660,846.42 : x
  2. Step 2: Convert to fraction form
    631,117,034.74/870,924,799.53 = 352,660,846.42/x
  3. Step 3: Cross multiply
    631,117,034.74x = 870,924,799.53 × 352,660,846.42
  4. Step 4: Simplify right side
    631,117,034.74x = 307,141,076,970,418,624
  5. Step 5: Solve for x
    x = 307,141,076,970,418,624/631,117,034.74
  6. Step 6: Final answer
    x = 486,662,631.59

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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.