Home / 722,153,215.72-1,082,473,791.52-302,215,188.93

Finding the Fourth Proportional to 722,153,215.72, 1,082,473,791.52 and 302,215,188.93

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Solution

The fourth proportional to 722,153,215.72, 1,082,473,791.52 and 302,215,188.93 is: 453,006,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,153,215.72 : 1,082,473,791.52 = 302,215,188.93 : x
  2. Step 2: Convert to fraction form
    722,153,215.72/1,082,473,791.52 = 302,215,188.93/x
  3. Step 3: Cross multiply
    722,153,215.72x = 1,082,473,791.52 × 302,215,188.93
  4. Step 4: Simplify right side
    722,153,215.72x = 327,140,021,415,990,208
  5. Step 5: Solve for x
    x = 327,140,021,415,990,208/722,153,215.72
  6. Step 6: Final answer
    x = 453,006,390.19

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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.