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Finding the Fourth Proportional to 45,369,634,140.20, 68,054,451,210.30 and 45,369,634,140.20

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Solution

The fourth proportional to 45,369,634,140.20, 68,054,451,210.30 and 45,369,634,140.20 is: 68,054,451,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,369,634,140.20 : 68,054,451,210.30 = 45,369,634,140.20 : x
  2. Step 2: Convert to fraction form
    45,369,634,140.20/68,054,451,210.30 = 45,369,634,140.20/x
  3. Step 3: Cross multiply
    45,369,634,140.20x = 68,054,451,210.30 × 45,369,634,140.20
  4. Step 4: Simplify right side
    45,369,634,140.20x = 3,087,605,553,023,402,115,072
  5. Step 5: Solve for x
    x = 3,087,605,553,023,402,115,072/45,369,634,140.20
  6. Step 6: Final answer
    x = 68,054,451,210.30

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Double scale
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Similar ratio
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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.