Home / 873,102,824.80-1,309,836,195.60-291,017,903.20

Finding the Fourth Proportional to 873,102,824.80, 1,309,836,195.60 and 291,017,903.20

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Solution

The fourth proportional to 873,102,824.80, 1,309,836,195.60 and 291,017,903.20 is: 436,587,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,102,824.80 : 1,309,836,195.60 = 291,017,903.20 : x
  2. Step 2: Convert to fraction form
    873,102,824.80/1,309,836,195.60 = 291,017,903.20/x
  3. Step 3: Cross multiply
    873,102,824.80x = 1,309,836,195.60 × 291,017,903.20
  4. Step 4: Simplify right side
    873,102,824.80x = 381,185,783,178,977,024
  5. Step 5: Solve for x
    x = 381,185,783,178,977,024/873,102,824.80
  6. Step 6: Final answer
    x = 436,587,504.19

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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.