Home / 708,589,969.20-1,062,884,953.80-320,425,462.80

Finding the Fourth Proportional to 708,589,969.20, 1,062,884,953.80 and 320,425,462.80

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Solution

The fourth proportional to 708,589,969.20, 1,062,884,953.80 and 320,425,462.80 is: 480,638,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,969.20 : 1,062,884,953.80 = 320,425,462.80 : x
  2. Step 2: Convert to fraction form
    708,589,969.20/1,062,884,953.80 = 320,425,462.80/x
  3. Step 3: Cross multiply
    708,589,969.20x = 1,062,884,953.80 × 320,425,462.80
  4. Step 4: Simplify right side
    708,589,969.20x = 340,575,403,224,521,600
  5. Step 5: Solve for x
    x = 340,575,403,224,521,600/708,589,969.20
  6. Step 6: Final answer
    x = 480,638,194.20

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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.