Home / 1,390,722,048,110.40-2,086,083,072,165.60-398,109,302,894.42

Finding the Fourth Proportional to 1,390,722,048,110.40, 2,086,083,072,165.60 and 398,109,302,894.42

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Solution

The fourth proportional to 1,390,722,048,110.40, 2,086,083,072,165.60 and 398,109,302,894.42 is: 597,163,954,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,722,048,110.40 : 2,086,083,072,165.60 = 398,109,302,894.42 : x
  2. Step 2: Convert to fraction form
    1,390,722,048,110.40/2,086,083,072,165.60 = 398,109,302,894.42/x
  3. Step 3: Cross multiply
    1,390,722,048,110.40x = 2,086,083,072,165.60 × 398,109,302,894.42
  4. Step 4: Simplify right side
    1,390,722,048,110.40x = 830,489,077,639,697,118,789,632
  5. Step 5: Solve for x
    x = 830,489,077,639,697,118,789,632/1,390,722,048,110.40
  6. Step 6: Final answer
    x = 597,163,954,341.63

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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.