Home / 5,315,520,439.80-7,973,280,659.70-2,554,483,678.20

Finding the Fourth Proportional to 5,315,520,439.80, 7,973,280,659.70 and 2,554,483,678.20

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Solution

The fourth proportional to 5,315,520,439.80, 7,973,280,659.70 and 2,554,483,678.20 is: 3,831,725,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,520,439.80 : 7,973,280,659.70 = 2,554,483,678.20 : x
  2. Step 2: Convert to fraction form
    5,315,520,439.80/7,973,280,659.70 = 2,554,483,678.20/x
  3. Step 3: Cross multiply
    5,315,520,439.80x = 7,973,280,659.70 × 2,554,483,678.20
  4. Step 4: Simplify right side
    5,315,520,439.80x = 20,367,615,306,911,375,360
  5. Step 5: Solve for x
    x = 20,367,615,306,911,375,360/5,315,520,439.80
  6. Step 6: Final answer
    x = 3,831,725,517.30

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Double scale
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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.