Home / 824,795,539.70-1,138,209,842.48-448,452,122.46

Finding the Fourth Proportional to 824,795,539.70, 1,138,209,842.48 and 448,452,122.46

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Solution

The fourth proportional to 824,795,539.70, 1,138,209,842.48 and 448,452,122.46 is: 618,859,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,795,539.70 : 1,138,209,842.48 = 448,452,122.46 : x
  2. Step 2: Convert to fraction form
    824,795,539.70/1,138,209,842.48 = 448,452,122.46/x
  3. Step 3: Cross multiply
    824,795,539.70x = 1,138,209,842.48 × 448,452,122.46
  4. Step 4: Simplify right side
    824,795,539.70x = 510,432,619,662,775,936
  5. Step 5: Solve for x
    x = 510,432,619,662,775,936/824,795,539.70
  6. Step 6: Final answer
    x = 618,859,578.04

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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.