Home / 8,071,569,137.60-12,107,353,706.40-7,374,212,257.40

Finding the Fourth Proportional to 8,071,569,137.60, 12,107,353,706.40 and 7,374,212,257.40

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Solution

The fourth proportional to 8,071,569,137.60, 12,107,353,706.40 and 7,374,212,257.40 is: 11,061,318,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,569,137.60 : 12,107,353,706.40 = 7,374,212,257.40 : x
  2. Step 2: Convert to fraction form
    8,071,569,137.60/12,107,353,706.40 = 7,374,212,257.40/x
  3. Step 3: Cross multiply
    8,071,569,137.60x = 12,107,353,706.40 × 7,374,212,257.40
  4. Step 4: Simplify right side
    8,071,569,137.60x = 89,282,196,106,412,195,840
  5. Step 5: Solve for x
    x = 89,282,196,106,412,195,840/8,071,569,137.60
  6. Step 6: Final answer
    x = 11,061,318,386.10

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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.