Home / 78,314,495,298.49-117,351,844,062.30-52,693,745,166.31

Finding the Fourth Proportional to 78,314,495,298.49, 117,351,844,062.30 and 52,693,745,166.31

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Solution

The fourth proportional to 78,314,495,298.49, 117,351,844,062.30 and 52,693,745,166.31 is: 78,959,944,033.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,314,495,298.49 : 117,351,844,062.30 = 52,693,745,166.31 : x
  2. Step 2: Convert to fraction form
    78,314,495,298.49/117,351,844,062.30 = 52,693,745,166.31/x
  3. Step 3: Cross multiply
    78,314,495,298.49x = 117,351,844,062.30 × 52,693,745,166.31
  4. Step 4: Simplify right side
    78,314,495,298.49x = 6,183,708,165,815,385,718,784
  5. Step 5: Solve for x
    x = 6,183,708,165,815,385,718,784/78,314,495,298.49
  6. Step 6: Final answer
    x = 78,959,944,033.94

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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.