Home / 1,390,722,048,110.50-2,086,083,072,165.90-398,109,302,894.55

Finding the Fourth Proportional to 1,390,722,048,110.50, 2,086,083,072,165.90 and 398,109,302,894.55

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Solution

The fourth proportional to 1,390,722,048,110.50, 2,086,083,072,165.90 and 398,109,302,894.55 is: 597,163,954,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,722,048,110.50 : 2,086,083,072,165.90 = 398,109,302,894.55 : x
  2. Step 2: Convert to fraction form
    1,390,722,048,110.50/2,086,083,072,165.90 = 398,109,302,894.55/x
  3. Step 3: Cross multiply
    1,390,722,048,110.50x = 2,086,083,072,165.90 × 398,109,302,894.55
  4. Step 4: Simplify right side
    1,390,722,048,110.50x = 830,489,077,640,087,558,160,384
  5. Step 5: Solve for x
    x = 830,489,077,640,087,558,160,384/1,390,722,048,110.50
  6. Step 6: Final answer
    x = 597,163,954,341.87

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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.