Home / 1,324,950,938.54-1,828,408,573.89-722,126,991.18

Finding the Fourth Proportional to 1,324,950,938.54, 1,828,408,573.89 and 722,126,991.18

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Solution

The fourth proportional to 1,324,950,938.54, 1,828,408,573.89 and 722,126,991.18 is: 996,522,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,950,938.54 : 1,828,408,573.89 = 722,126,991.18 : x
  2. Step 2: Convert to fraction form
    1,324,950,938.54/1,828,408,573.89 = 722,126,991.18/x
  3. Step 3: Cross multiply
    1,324,950,938.54x = 1,828,408,573.89 × 722,126,991.18
  4. Step 4: Simplify right side
    1,324,950,938.54x = 1,320,343,182,110,900,480
  5. Step 5: Solve for x
    x = 1,320,343,182,110,900,480/1,324,950,938.54
  6. Step 6: Final answer
    x = 996,522,319.21

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Double scale
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1.5x scale

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.