Home / 393,077,013,630.38-589,674,475,090.34-138,061,449,319.27

Finding the Fourth Proportional to 393,077,013,630.38, 589,674,475,090.34 and 138,061,449,319.27

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Solution

The fourth proportional to 393,077,013,630.38, 589,674,475,090.34 and 138,061,449,319.27 is: 207,112,880,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,077,013,630.38 : 589,674,475,090.34 = 138,061,449,319.27 : x
  2. Step 2: Convert to fraction form
    393,077,013,630.38/589,674,475,090.34 = 138,061,449,319.27/x
  3. Step 3: Cross multiply
    393,077,013,630.38x = 589,674,475,090.34 × 138,061,449,319.27
  4. Step 4: Simplify right side
    393,077,013,630.38x = 81,411,312,657,552,109,469,696
  5. Step 5: Solve for x
    x = 81,411,312,657,552,109,469,696/393,077,013,630.38
  6. Step 6: Final answer
    x = 207,112,880,770.24

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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.