Home / 809,614,636.88-1,117,254,650.76-438,333,653.84

Finding the Fourth Proportional to 809,614,636.88, 1,117,254,650.76 and 438,333,653.84

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Solution

The fourth proportional to 809,614,636.88, 1,117,254,650.76 and 438,333,653.84 is: 604,893,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,614,636.88 : 1,117,254,650.76 = 438,333,653.84 : x
  2. Step 2: Convert to fraction form
    809,614,636.88/1,117,254,650.76 = 438,333,653.84/x
  3. Step 3: Cross multiply
    809,614,636.88x = 1,117,254,650.76 × 438,333,653.84
  4. Step 4: Simplify right side
    809,614,636.88x = 489,730,313,337,363,904
  5. Step 5: Solve for x
    x = 489,730,313,337,363,904/809,614,636.88
  6. Step 6: Final answer
    x = 604,893,107.20

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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.