Home / 4,979,530,152.75-6,871,758,306.95-2,864,943,685.58

Finding the Fourth Proportional to 4,979,530,152.75, 6,871,758,306.95 and 2,864,943,685.58

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Solution

The fourth proportional to 4,979,530,152.75, 6,871,758,306.95 and 2,864,943,685.58 is: 3,953,626,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,530,152.75 : 6,871,758,306.95 = 2,864,943,685.58 : x
  2. Step 2: Convert to fraction form
    4,979,530,152.75/6,871,758,306.95 = 2,864,943,685.58/x
  3. Step 3: Cross multiply
    4,979,530,152.75x = 6,871,758,306.95 × 2,864,943,685.58
  4. Step 4: Simplify right side
    4,979,530,152.75x = 19,687,200,570,279,628,800
  5. Step 5: Solve for x
    x = 19,687,200,570,279,628,800/4,979,530,152.75
  6. Step 6: Final answer
    x = 3,953,626,138.68

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Double scale
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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.