Home / 708,620,496.80-1,062,930,745.20-248,392,590.80

Finding the Fourth Proportional to 708,620,496.80, 1,062,930,745.20 and 248,392,590.80

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Solution

The fourth proportional to 708,620,496.80, 1,062,930,745.20 and 248,392,590.80 is: 372,588,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,620,496.80 : 1,062,930,745.20 = 248,392,590.80 : x
  2. Step 2: Convert to fraction form
    708,620,496.80/1,062,930,745.20 = 248,392,590.80/x
  3. Step 3: Cross multiply
    708,620,496.80x = 1,062,930,745.20 × 248,392,590.80
  4. Step 4: Simplify right side
    708,620,496.80x = 264,024,121,641,202,688
  5. Step 5: Solve for x
    x = 264,024,121,641,202,688/708,620,496.80
  6. Step 6: Final answer
    x = 372,588,886.20

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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.