Home / 299,010,717.60-448,516,076.40-280,835,435.40

Finding the Fourth Proportional to 299,010,717.60, 448,516,076.40 and 280,835,435.40

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Solution

The fourth proportional to 299,010,717.60, 448,516,076.40 and 280,835,435.40 is: 421,253,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,010,717.60 : 448,516,076.40 = 280,835,435.40 : x
  2. Step 2: Convert to fraction form
    299,010,717.60/448,516,076.40 = 280,835,435.40/x
  3. Step 3: Cross multiply
    299,010,717.60x = 448,516,076.40 × 280,835,435.40
  4. Step 4: Simplify right side
    299,010,717.60x = 125,959,207,599,693,648
  5. Step 5: Solve for x
    x = 125,959,207,599,693,648/299,010,717.60
  6. Step 6: Final answer
    x = 421,253,153.10

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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.