Home / 680,366,575.75-1,019,720,757.34-352,661,421.91

Finding the Fourth Proportional to 680,366,575.75, 1,019,720,757.34 and 352,661,421.91

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Solution

The fourth proportional to 680,366,575.75, 1,019,720,757.34 and 352,661,421.91 is: 528,562,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,366,575.75 : 1,019,720,757.34 = 352,661,421.91 : x
  2. Step 2: Convert to fraction form
    680,366,575.75/1,019,720,757.34 = 352,661,421.91/x
  3. Step 3: Cross multiply
    680,366,575.75x = 1,019,720,757.34 × 352,661,421.91
  4. Step 4: Simplify right side
    680,366,575.75x = 359,616,172,231,235,520
  5. Step 5: Solve for x
    x = 359,616,172,231,235,520/680,366,575.75
  6. Step 6: Final answer
    x = 528,562,373.65

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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.