Home / 2,872,255,394.73-3,963,541,622.85-1,666,503,232.98

Finding the Fourth Proportional to 2,872,255,394.73, 3,963,541,622.85 and 1,666,503,232.98

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Solution

The fourth proportional to 2,872,255,394.73, 3,963,541,622.85 and 1,666,503,232.98 is: 2,299,675,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,255,394.73 : 3,963,541,622.85 = 1,666,503,232.98 : x
  2. Step 2: Convert to fraction form
    2,872,255,394.73/3,963,541,622.85 = 1,666,503,232.98/x
  3. Step 3: Cross multiply
    2,872,255,394.73x = 3,963,541,622.85 × 1,666,503,232.98
  4. Step 4: Simplify right side
    2,872,255,394.73x = 6,605,254,928,530,320,384
  5. Step 5: Solve for x
    x = 6,605,254,928,530,320,384/2,872,255,394.73
  6. Step 6: Final answer
    x = 2,299,675,349.43

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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.