Home / 1,048,142,721.30-1,572,214,081.95-321,036,954.90

Finding the Fourth Proportional to 1,048,142,721.30, 1,572,214,081.95 and 321,036,954.90

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Solution

The fourth proportional to 1,048,142,721.30, 1,572,214,081.95 and 321,036,954.90 is: 481,555,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,142,721.30 : 1,572,214,081.95 = 321,036,954.90 : x
  2. Step 2: Convert to fraction form
    1,048,142,721.30/1,572,214,081.95 = 321,036,954.90/x
  3. Step 3: Cross multiply
    1,048,142,721.30x = 1,572,214,081.95 × 321,036,954.90
  4. Step 4: Simplify right side
    1,048,142,721.30x = 504,738,821,320,127,040
  5. Step 5: Solve for x
    x = 504,738,821,320,127,040/1,048,142,721.30
  6. Step 6: Final answer
    x = 481,555,432.35

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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.