Home / 972,401,985.42-1,458,728,536.41-447,644,522.94

Finding the Fourth Proportional to 972,401,985.42, 1,458,728,536.41 and 447,644,522.94

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Solution

The fourth proportional to 972,401,985.42, 1,458,728,536.41 and 447,644,522.94 is: 671,524,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,401,985.42 : 1,458,728,536.41 = 447,644,522.94 : x
  2. Step 2: Convert to fraction form
    972,401,985.42/1,458,728,536.41 = 447,644,522.94/x
  3. Step 3: Cross multiply
    972,401,985.42x = 1,458,728,536.41 × 447,644,522.94
  4. Step 4: Simplify right side
    972,401,985.42x = 652,991,839,780,218,880
  5. Step 5: Solve for x
    x = 652,991,839,780,218,880/972,401,985.42
  6. Step 6: Final answer
    x = 671,524,585.07

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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.