Home / 809,101,411-1,116,562,907.82-437,823,446.20

Finding the Fourth Proportional to 809,101,411, 1,116,562,907.82 and 437,823,446.20

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Solution

The fourth proportional to 809,101,411, 1,116,562,907.82 and 437,823,446.20 is: 604,197,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,101,411 : 1,116,562,907.82 = 437,823,446.20 : x
  2. Step 2: Convert to fraction form
    809,101,411/1,116,562,907.82 = 437,823,446.20/x
  3. Step 3: Cross multiply
    809,101,411x = 1,116,562,907.82 × 437,823,446.20
  4. Step 4: Simplify right side
    809,101,411x = 488,857,420,200,845,312
  5. Step 5: Solve for x
    x = 488,857,420,200,845,312/809,101,411
  6. Step 6: Final answer
    x = 604,197,957.83

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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.