Home / 451,810,369.25-623,745,710.15-316,229,278.89

Finding the Fourth Proportional to 451,810,369.25, 623,745,710.15 and 316,229,278.89

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Solution

The fourth proportional to 451,810,369.25, 623,745,710.15 and 316,229,278.89 is: 436,569,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,810,369.25 : 623,745,710.15 = 316,229,278.89 : x
  2. Step 2: Convert to fraction form
    451,810,369.25/623,745,710.15 = 316,229,278.89/x
  3. Step 3: Cross multiply
    451,810,369.25x = 623,745,710.15 × 316,229,278.89
  4. Step 4: Simplify right side
    451,810,369.25x = 197,246,656,131,465,440
  5. Step 5: Solve for x
    x = 197,246,656,131,465,440/451,810,369.25
  6. Step 6: Final answer
    x = 436,569,564.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.