Home / 68,172,916,128.39-94,081,529,707.70-38,099,399,784.03

Finding the Fourth Proportional to 68,172,916,128.39, 94,081,529,707.70 and 38,099,399,784.03

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Solution

The fourth proportional to 68,172,916,128.39, 94,081,529,707.70 and 38,099,399,784.03 is: 52,578,795,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,172,916,128.39 : 94,081,529,707.70 = 38,099,399,784.03 : x
  2. Step 2: Convert to fraction form
    68,172,916,128.39/94,081,529,707.70 = 38,099,399,784.03/x
  3. Step 3: Cross multiply
    68,172,916,128.39x = 94,081,529,707.70 × 38,099,399,784.03
  4. Step 4: Simplify right side
    68,172,916,128.39x = 3,584,449,812,626,567,331,840
  5. Step 5: Solve for x
    x = 3,584,449,812,626,567,331,840/68,172,916,128.39
  6. Step 6: Final answer
    x = 52,578,795,454.14

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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.