Home / 1,390,722,048,114.30-2,086,083,072,171.60-398,109,302,898.30

Finding the Fourth Proportional to 1,390,722,048,114.30, 2,086,083,072,171.60 and 398,109,302,898.30

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Solution

The fourth proportional to 1,390,722,048,114.30, 2,086,083,072,171.60 and 398,109,302,898.30 is: 597,163,954,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,722,048,114.30 : 2,086,083,072,171.60 = 398,109,302,898.30 : x
  2. Step 2: Convert to fraction form
    1,390,722,048,114.30/2,086,083,072,171.60 = 398,109,302,898.30/x
  3. Step 3: Cross multiply
    1,390,722,048,114.30x = 2,086,083,072,171.60 × 398,109,302,898.30
  4. Step 4: Simplify right side
    1,390,722,048,114.30x = 830,489,077,650,179,791,781,888
  5. Step 5: Solve for x
    x = 830,489,077,650,179,791,781,888/1,390,722,048,114.30
  6. Step 6: Final answer
    x = 597,163,954,347.49

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Double scale
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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.