Home / 3,189,381,640.40-4,784,072,460.60-860,314,120.40

Finding the Fourth Proportional to 3,189,381,640.40, 4,784,072,460.60 and 860,314,120.40

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Solution

The fourth proportional to 3,189,381,640.40, 4,784,072,460.60 and 860,314,120.40 is: 1,290,471,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,381,640.40 : 4,784,072,460.60 = 860,314,120.40 : x
  2. Step 2: Convert to fraction form
    3,189,381,640.40/4,784,072,460.60 = 860,314,120.40/x
  3. Step 3: Cross multiply
    3,189,381,640.40x = 4,784,072,460.60 × 860,314,120.40
  4. Step 4: Simplify right side
    3,189,381,640.40x = 4,115,805,090,870,952,960
  5. Step 5: Solve for x
    x = 4,115,805,090,870,952,960/3,189,381,640.40
  6. Step 6: Final answer
    x = 1,290,471,180.60

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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.