Home / 1,390,722,048,109.40-2,086,083,072,164.10-398,109,302,893.42

Finding the Fourth Proportional to 1,390,722,048,109.40, 2,086,083,072,164.10 and 398,109,302,893.42

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Solution

The fourth proportional to 1,390,722,048,109.40, 2,086,083,072,164.10 and 398,109,302,893.42 is: 597,163,954,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,722,048,109.40 : 2,086,083,072,164.10 = 398,109,302,893.42 : x
  2. Step 2: Convert to fraction form
    1,390,722,048,109.40/2,086,083,072,164.10 = 398,109,302,893.42/x
  3. Step 3: Cross multiply
    1,390,722,048,109.40x = 2,086,083,072,164.10 × 398,109,302,893.42
  4. Step 4: Simplify right side
    1,390,722,048,109.40x = 830,489,077,637,013,837,971,456
  5. Step 5: Solve for x
    x = 830,489,077,637,013,837,971,456/1,390,722,048,109.40
  6. Step 6: Final answer
    x = 597,163,954,340.13

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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.