Home / 30,839,588,679.43-42,548,459,176.06-18,627,730,819.83

Finding the Fourth Proportional to 30,839,588,679.43, 42,548,459,176.06 and 18,627,730,819.83

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Solution

The fourth proportional to 30,839,588,679.43, 42,548,459,176.06 and 18,627,730,819.83 is: 25,700,123,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839,588,679.43 : 42,548,459,176.06 = 18,627,730,819.83 : x
  2. Step 2: Convert to fraction form
    30,839,588,679.43/42,548,459,176.06 = 18,627,730,819.83/x
  3. Step 3: Cross multiply
    30,839,588,679.43x = 42,548,459,176.06 × 18,627,730,819.83
  4. Step 4: Simplify right side
    30,839,588,679.43x = 792,581,244,330,134,208,512
  5. Step 5: Solve for x
    x = 792,581,244,330,134,208,512/30,839,588,679.43
  6. Step 6: Final answer
    x = 25,700,123,713.35

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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.