Home / 1,403,846,374.79-2,105,899,013.31-458,449,416.17

Finding the Fourth Proportional to 1,403,846,374.79, 2,105,899,013.31 and 458,449,416.17

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Solution

The fourth proportional to 1,403,846,374.79, 2,105,899,013.31 and 458,449,416.17 is: 687,716,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,846,374.79 : 2,105,899,013.31 = 458,449,416.17 : x
  2. Step 2: Convert to fraction form
    1,403,846,374.79/2,105,899,013.31 = 458,449,416.17/x
  3. Step 3: Cross multiply
    1,403,846,374.79x = 2,105,899,013.31 × 458,449,416.17
  4. Step 4: Simplify right side
    1,403,846,374.79x = 965,448,173,164,948,608
  5. Step 5: Solve for x
    x = 965,448,173,164,948,608/1,403,846,374.79
  6. Step 6: Final answer
    x = 687,716,398.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.