Home / 708,593,896.80-1,062,890,845.20-299,650,047.30

Finding the Fourth Proportional to 708,593,896.80, 1,062,890,845.20 and 299,650,047.30

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Solution

The fourth proportional to 708,593,896.80, 1,062,890,845.20 and 299,650,047.30 is: 449,475,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,593,896.80 : 1,062,890,845.20 = 299,650,047.30 : x
  2. Step 2: Convert to fraction form
    708,593,896.80/1,062,890,845.20 = 299,650,047.30/x
  3. Step 3: Cross multiply
    708,593,896.80x = 1,062,890,845.20 × 299,650,047.30
  4. Step 4: Simplify right side
    708,593,896.80x = 318,495,292,038,916,992
  5. Step 5: Solve for x
    x = 318,495,292,038,916,992/708,593,896.80
  6. Step 6: Final answer
    x = 449,475,070.95

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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.