Home / 826,450,872.94-1,140,582,762.39-617,243,808.88

Finding the Fourth Proportional to 826,450,872.94, 1,140,582,762.39 and 617,243,808.88

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Solution

The fourth proportional to 826,450,872.94, 1,140,582,762.39 and 617,243,808.88 is: 851,856,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,450,872.94 : 1,140,582,762.39 = 617,243,808.88 : x
  2. Step 2: Convert to fraction form
    826,450,872.94/1,140,582,762.39 = 617,243,808.88/x
  3. Step 3: Cross multiply
    826,450,872.94x = 1,140,582,762.39 × 617,243,808.88
  4. Step 4: Simplify right side
    826,450,872.94x = 704,017,648,600,475,648
  5. Step 5: Solve for x
    x = 704,017,648,600,475,648/826,450,872.94
  6. Step 6: Final answer
    x = 851,856,621.67

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1.5x scale

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.