Home / 1,129,401,792,301.10-1,694,102,688,451.70-422,654,987,360.35

Finding the Fourth Proportional to 1,129,401,792,301.10, 1,694,102,688,451.70 and 422,654,987,360.35

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Solution

The fourth proportional to 1,129,401,792,301.10, 1,694,102,688,451.70 and 422,654,987,360.35 is: 633,982,481,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,401,792,301.10 : 1,694,102,688,451.70 = 422,654,987,360.35 : x
  2. Step 2: Convert to fraction form
    1,129,401,792,301.10/1,694,102,688,451.70 = 422,654,987,360.35/x
  3. Step 3: Cross multiply
    1,129,401,792,301.10x = 1,694,102,688,451.70 × 422,654,987,360.35
  4. Step 4: Simplify right side
    1,129,401,792,301.10x = 716,020,950,374,688,183,287,808
  5. Step 5: Solve for x
    x = 716,020,950,374,688,183,287,808/1,129,401,792,301.10
  6. Step 6: Final answer
    x = 633,982,481,040.54

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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.