Home / 668,272,584.72-1,003,392,887.76-373,744,751.52

Finding the Fourth Proportional to 668,272,584.72, 1,003,392,887.76 and 373,744,751.52

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Solution

The fourth proportional to 668,272,584.72, 1,003,392,887.76 and 373,744,751.52 is: 561,167,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,272,584.72 : 1,003,392,887.76 = 373,744,751.52 : x
  2. Step 2: Convert to fraction form
    668,272,584.72/1,003,392,887.76 = 373,744,751.52/x
  3. Step 3: Cross multiply
    668,272,584.72x = 1,003,392,887.76 × 373,744,751.52
  4. Step 4: Simplify right side
    668,272,584.72x = 375,012,825,512,796,416
  5. Step 5: Solve for x
    x = 375,012,825,512,796,416/668,272,584.72
  6. Step 6: Final answer
    x = 561,167,454.85

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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.