Home / 1,893,315,908.40-2,838,630,169.80-728,334,250.80

Finding the Fourth Proportional to 1,893,315,908.40, 2,838,630,169.80 and 728,334,250.80

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Solution

The fourth proportional to 1,893,315,908.40, 2,838,630,169.80 and 728,334,250.80 is: 1,091,984,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,315,908.40 : 2,838,630,169.80 = 728,334,250.80 : x
  2. Step 2: Convert to fraction form
    1,893,315,908.40/2,838,630,169.80 = 728,334,250.80/x
  3. Step 3: Cross multiply
    1,893,315,908.40x = 2,838,630,169.80 × 728,334,250.80
  4. Step 4: Simplify right side
    1,893,315,908.40x = 2,067,471,578,019,559,680
  5. Step 5: Solve for x
    x = 2,067,471,578,019,559,680/1,893,315,908.40
  6. Step 6: Final answer
    x = 1,091,984,474.88

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1.5x scale

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.