Home / 9,945,640,546.32-13,724,914,133.16-5,429,519,598.72

Finding the Fourth Proportional to 9,945,640,546.32, 13,724,914,133.16 and 5,429,519,598.72

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Solution

The fourth proportional to 9,945,640,546.32, 13,724,914,133.16 and 5,429,519,598.72 is: 7,492,698,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945,640,546.32 : 13,724,914,133.16 = 5,429,519,598.72 : x
  2. Step 2: Convert to fraction form
    9,945,640,546.32/13,724,914,133.16 = 5,429,519,598.72/x
  3. Step 3: Cross multiply
    9,945,640,546.32x = 13,724,914,133.16 × 5,429,519,598.72
  4. Step 4: Simplify right side
    9,945,640,546.32x = 74,519,690,276,741,349,376
  5. Step 5: Solve for x
    x = 74,519,690,276,741,349,376/9,945,640,546.32
  6. Step 6: Final answer
    x = 7,492,698,929.71

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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.