Home / 5,640,470,132.46-7,783,919,316.83-3,100,429,420.15

Finding the Fourth Proportional to 5,640,470,132.46, 7,783,919,316.83 and 3,100,429,420.15

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Solution

The fourth proportional to 5,640,470,132.46, 7,783,919,316.83 and 3,100,429,420.15 is: 4,278,631,370.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,470,132.46 : 7,783,919,316.83 = 3,100,429,420.15 : x
  2. Step 2: Convert to fraction form
    5,640,470,132.46/7,783,919,316.83 = 3,100,429,420.15/x
  3. Step 3: Cross multiply
    5,640,470,132.46x = 7,783,919,316.83 × 3,100,429,420.15
  4. Step 4: Simplify right side
    5,640,470,132.46x = 24,133,492,453,973,622,784
  5. Step 5: Solve for x
    x = 24,133,492,453,973,622,784/5,640,470,132.46
  6. Step 6: Final answer
    x = 4,278,631,370.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.