Home / 991,152,315.54-1,485,389,203.92-377,401,733.46

Finding the Fourth Proportional to 991,152,315.54, 1,485,389,203.92 and 377,401,733.46

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Solution

The fourth proportional to 991,152,315.54, 1,485,389,203.92 and 377,401,733.46 is: 565,592,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,152,315.54 : 1,485,389,203.92 = 377,401,733.46 : x
  2. Step 2: Convert to fraction form
    991,152,315.54/1,485,389,203.92 = 377,401,733.46/x
  3. Step 3: Cross multiply
    991,152,315.54x = 1,485,389,203.92 × 377,401,733.46
  4. Step 4: Simplify right side
    991,152,315.54x = 560,588,460,422,177,408
  5. Step 5: Solve for x
    x = 560,588,460,422,177,408/991,152,315.54
  6. Step 6: Final answer
    x = 565,592,645.68

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1.5x scale

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.