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Finding the Fourth Proportional to 18,799,731,645.40, 28,199,597,468.10 and 18,799,731,645.40

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Solution

The fourth proportional to 18,799,731,645.40, 28,199,597,468.10 and 18,799,731,645.40 is: 28,199,597,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799,731,645.40 : 28,199,597,468.10 = 18,799,731,645.40 : x
  2. Step 2: Convert to fraction form
    18,799,731,645.40/28,199,597,468.10 = 18,799,731,645.40/x
  3. Step 3: Cross multiply
    18,799,731,645.40x = 28,199,597,468.10 × 18,799,731,645.40
  4. Step 4: Simplify right side
    18,799,731,645.40x = 530,144,864,908,581,273,600
  5. Step 5: Solve for x
    x = 530,144,864,908,581,273,600/18,799,731,645.40
  6. Step 6: Final answer
    x = 28,199,597,468.10

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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.