Home / 12,072,137,436.25-18,110,906,914.16-3,678,699,972.17

Finding the Fourth Proportional to 12,072,137,436.25, 18,110,906,914.16 and 3,678,699,972.17

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Solution

The fourth proportional to 12,072,137,436.25, 18,110,906,914.16 and 3,678,699,972.17 is: 5,518,872,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,137,436.25 : 18,110,906,914.16 = 3,678,699,972.17 : x
  2. Step 2: Convert to fraction form
    12,072,137,436.25/18,110,906,914.16 = 3,678,699,972.17/x
  3. Step 3: Cross multiply
    12,072,137,436.25x = 18,110,906,914.16 × 3,678,699,972.17
  4. Step 4: Simplify right side
    12,072,137,436.25x = 66,624,592,761,146,482,688
  5. Step 5: Solve for x
    x = 66,624,592,761,146,482,688/12,072,137,436.25
  6. Step 6: Final answer
    x = 5,518,872,951.29

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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.