Home / 681,132,401,999.80-1,021,698,602,999.70-681,132,401,999.80

Finding the Fourth Proportional to 681,132,401,999.80, 1,021,698,602,999.70 and 681,132,401,999.80

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Solution

The fourth proportional to 681,132,401,999.80, 1,021,698,602,999.70 and 681,132,401,999.80 is: 1,021,698,602,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,132,401,999.80 : 1,021,698,602,999.70 = 681,132,401,999.80 : x
  2. Step 2: Convert to fraction form
    681,132,401,999.80/1,021,698,602,999.70 = 681,132,401,999.80/x
  3. Step 3: Cross multiply
    681,132,401,999.80x = 1,021,698,602,999.70 × 681,132,401,999.80
  4. Step 4: Simplify right side
    681,132,401,999.80x = 695,912,023,581,025,751,793,664
  5. Step 5: Solve for x
    x = 695,912,023,581,025,751,793,664/681,132,401,999.80
  6. Step 6: Final answer
    x = 1,021,698,602,999.70

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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.