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Finding the Fourth Proportional to 1,681,441,981.30, 2,522,162,971.95 and 1,681,441,981.30

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Solution

The fourth proportional to 1,681,441,981.30, 2,522,162,971.95 and 1,681,441,981.30 is: 2,522,162,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,441,981.30 : 2,522,162,971.95 = 1,681,441,981.30 : x
  2. Step 2: Convert to fraction form
    1,681,441,981.30/2,522,162,971.95 = 1,681,441,981.30/x
  3. Step 3: Cross multiply
    1,681,441,981.30x = 2,522,162,971.95 × 1,681,441,981.30
  4. Step 4: Simplify right side
    1,681,441,981.30x = 4,240,870,704,717,104,128
  5. Step 5: Solve for x
    x = 4,240,870,704,717,104,128/1,681,441,981.30
  6. Step 6: Final answer
    x = 2,522,162,971.95

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Double scale
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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.