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Finding the Fourth Proportional to 120,985,814,626.70, 181,478,721,940.05 and 120,985,814,626.70

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Solution

The fourth proportional to 120,985,814,626.70, 181,478,721,940.05 and 120,985,814,626.70 is: 181,478,721,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,985,814,626.70 : 181,478,721,940.05 = 120,985,814,626.70 : x
  2. Step 2: Convert to fraction form
    120,985,814,626.70/181,478,721,940.05 = 120,985,814,626.70/x
  3. Step 3: Cross multiply
    120,985,814,626.70x = 181,478,721,940.05 × 120,985,814,626.70
  4. Step 4: Simplify right side
    120,985,814,626.70x = 21,956,351,011,329,323,040,768
  5. Step 5: Solve for x
    x = 21,956,351,011,329,323,040,768/120,985,814,626.70
  6. Step 6: Final answer
    x = 181,478,721,940.05

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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.