Home / 7,148,942,676.88-9,865,630,148.36-3,934,222,522.03

Finding the Fourth Proportional to 7,148,942,676.88, 9,865,630,148.36 and 3,934,222,522.03

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Solution

The fourth proportional to 7,148,942,676.88, 9,865,630,148.36 and 3,934,222,522.03 is: 5,429,276,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,942,676.88 : 9,865,630,148.36 = 3,934,222,522.03 : x
  2. Step 2: Convert to fraction form
    7,148,942,676.88/9,865,630,148.36 = 3,934,222,522.03/x
  3. Step 3: Cross multiply
    7,148,942,676.88x = 9,865,630,148.36 × 3,934,222,522.03
  4. Step 4: Simplify right side
    7,148,942,676.88x = 38,813,584,323,688,251,392
  5. Step 5: Solve for x
    x = 38,813,584,323,688,251,392/7,148,942,676.88
  6. Step 6: Final answer
    x = 5,429,276,199.01

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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.