Home / 746,994,270.74-1,030,939,527.66-621,324,752.72

Finding the Fourth Proportional to 746,994,270.74, 1,030,939,527.66 and 621,324,752.72

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Solution

The fourth proportional to 746,994,270.74, 1,030,939,527.66 and 621,324,752.72 is: 857,500,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,994,270.74 : 1,030,939,527.66 = 621,324,752.72 : x
  2. Step 2: Convert to fraction form
    746,994,270.74/1,030,939,527.66 = 621,324,752.72/x
  3. Step 3: Cross multiply
    746,994,270.74x = 1,030,939,527.66 × 621,324,752.72
  4. Step 4: Simplify right side
    746,994,270.74x = 640,548,247,092,623,104
  5. Step 5: Solve for x
    x = 640,548,247,092,623,104/746,994,270.74
  6. Step 6: Final answer
    x = 857,500,883.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.