Home / 78,245,839,892.10-117,368,759,838.15-78,245,839,892.10

Finding the Fourth Proportional to 78,245,839,892.10, 117,368,759,838.15 and 78,245,839,892.10

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Solution

The fourth proportional to 78,245,839,892.10, 117,368,759,838.15 and 78,245,839,892.10 is: 117,368,759,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,245,839,892.10 : 117,368,759,838.15 = 78,245,839,892.10 : x
  2. Step 2: Convert to fraction form
    78,245,839,892.10/117,368,759,838.15 = 78,245,839,892.10/x
  3. Step 3: Cross multiply
    78,245,839,892.10x = 117,368,759,838.15 × 78,245,839,892.10
  4. Step 4: Simplify right side
    78,245,839,892.10x = 9,183,617,190,630,221,938,688
  5. Step 5: Solve for x
    x = 9,183,617,190,630,221,938,688/78,245,839,892.10
  6. Step 6: Final answer
    x = 117,368,759,838.15

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Double scale
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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.