Home / 805,302,374.43-1,111,299,858.24-466,225,149.04

Finding the Fourth Proportional to 805,302,374.43, 1,111,299,858.24 and 466,225,149.04

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Solution

The fourth proportional to 805,302,374.43, 1,111,299,858.24 and 466,225,149.04 is: 643,380,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,302,374.43 : 1,111,299,858.24 = 466,225,149.04 : x
  2. Step 2: Convert to fraction form
    805,302,374.43/1,111,299,858.24 = 466,225,149.04/x
  3. Step 3: Cross multiply
    805,302,374.43x = 1,111,299,858.24 × 466,225,149.04
  4. Step 4: Simplify right side
    805,302,374.43x = 518,115,942,036,074,880
  5. Step 5: Solve for x
    x = 518,115,942,036,074,880/805,302,374.43
  6. Step 6: Final answer
    x = 643,380,621.35

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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.