Home / 919,069,441.50-1,268,142,366.92-547,826,016.54

Finding the Fourth Proportional to 919,069,441.50, 1,268,142,366.92 and 547,826,016.54

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Solution

The fourth proportional to 919,069,441.50, 1,268,142,366.92 and 547,826,016.54 is: 755,896,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,069,441.50 : 1,268,142,366.92 = 547,826,016.54 : x
  2. Step 2: Convert to fraction form
    919,069,441.50/1,268,142,366.92 = 547,826,016.54/x
  3. Step 3: Cross multiply
    919,069,441.50x = 1,268,142,366.92 × 547,826,016.54
  4. Step 4: Simplify right side
    919,069,441.50x = 694,721,381,272,651,520
  5. Step 5: Solve for x
    x = 694,721,381,272,651,520/919,069,441.50
  6. Step 6: Final answer
    x = 755,896,507.82

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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.