Home / 806,997,292.20-1,113,621,854.76-449,746,059.15

Finding the Fourth Proportional to 806,997,292.20, 1,113,621,854.76 and 449,746,059.15

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Solution

The fourth proportional to 806,997,292.20, 1,113,621,854.76 and 449,746,059.15 is: 620,630,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,997,292.20 : 1,113,621,854.76 = 449,746,059.15 : x
  2. Step 2: Convert to fraction form
    806,997,292.20/1,113,621,854.76 = 449,746,059.15/x
  3. Step 3: Cross multiply
    806,997,292.20x = 1,113,621,854.76 × 449,746,059.15
  4. Step 4: Simplify right side
    806,997,292.20x = 500,847,040,561,623,616
  5. Step 5: Solve for x
    x = 500,847,040,561,623,616/806,997,292.20
  6. Step 6: Final answer
    x = 620,630,385.51

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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.