Home / 13,691,317,486.94-18,894,003,802.32-7,669,865,276.78

Finding the Fourth Proportional to 13,691,317,486.94, 18,894,003,802.32 and 7,669,865,276.78

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Solution

The fourth proportional to 13,691,317,486.94, 18,894,003,802.32 and 7,669,865,276.78 is: 10,584,406,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,317,486.94 : 18,894,003,802.32 = 7,669,865,276.78 : x
  2. Step 2: Convert to fraction form
    13,691,317,486.94/18,894,003,802.32 = 7,669,865,276.78/x
  3. Step 3: Cross multiply
    13,691,317,486.94x = 18,894,003,802.32 × 7,669,865,276.78
  4. Step 4: Simplify right side
    13,691,317,486.94x = 144,914,463,702,668,984,320
  5. Step 5: Solve for x
    x = 144,914,463,702,668,984,320/13,691,317,486.94
  6. Step 6: Final answer
    x = 10,584,406,054.49

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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.