Home / 590,508,258.78-814,926,137.40-339,612,821.04

Finding the Fourth Proportional to 590,508,258.78, 814,926,137.40 and 339,612,821.04

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Solution

The fourth proportional to 590,508,258.78, 814,926,137.40 and 339,612,821.04 is: 468,679,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,508,258.78 : 814,926,137.40 = 339,612,821.04 : x
  2. Step 2: Convert to fraction form
    590,508,258.78/814,926,137.40 = 339,612,821.04/x
  3. Step 3: Cross multiply
    590,508,258.78x = 814,926,137.40 × 339,612,821.04
  4. Step 4: Simplify right side
    590,508,258.78x = 276,759,364,461,644,672
  5. Step 5: Solve for x
    x = 276,759,364,461,644,672/590,508,258.78
  6. Step 6: Final answer
    x = 468,679,921.66

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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.