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Finding the Fourth Proportional to 70,593,885,246.15, 105,890,827,869.22 and 70,593,885,246.15

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Solution

The fourth proportional to 70,593,885,246.15, 105,890,827,869.22 and 70,593,885,246.15 is: 105,890,827,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593,885,246.15 : 105,890,827,869.22 = 70,593,885,246.15 : x
  2. Step 2: Convert to fraction form
    70,593,885,246.15/105,890,827,869.22 = 70,593,885,246.15/x
  3. Step 3: Cross multiply
    70,593,885,246.15x = 105,890,827,869.22 × 70,593,885,246.15
  4. Step 4: Simplify right side
    70,593,885,246.15x = 7,475,244,951,219,538,493,440
  5. Step 5: Solve for x
    x = 7,475,244,951,219,538,493,440/70,593,885,246.15
  6. Step 6: Final answer
    x = 105,890,827,869.22

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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.