Home / 1,302,967,909.98-1,954,434,806.37-320,402,930.94

Finding the Fourth Proportional to 1,302,967,909.98, 1,954,434,806.37 and 320,402,930.94

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Solution

The fourth proportional to 1,302,967,909.98, 1,954,434,806.37 and 320,402,930.94 is: 480,600,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,967,909.98 : 1,954,434,806.37 = 320,402,930.94 : x
  2. Step 2: Convert to fraction form
    1,302,967,909.98/1,954,434,806.37 = 320,402,930.94/x
  3. Step 3: Cross multiply
    1,302,967,909.98x = 1,954,434,806.37 × 320,402,930.94
  4. Step 4: Simplify right side
    1,302,967,909.98x = 626,206,640,292,099,328
  5. Step 5: Solve for x
    x = 626,206,640,292,099,328/1,302,967,909.98
  6. Step 6: Final answer
    x = 480,600,201.66

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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.