Home / 659,532,430,862.49-988,732,049,504.55-229,213,608,051.72

Finding the Fourth Proportional to 659,532,430,862.49, 988,732,049,504.55 and 229,213,608,051.72

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Solution

The fourth proportional to 659,532,430,862.49, 988,732,049,504.55 and 229,213,608,051.72 is: 343,623,497,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,532,430,862.49 : 988,732,049,504.55 = 229,213,608,051.72 : x
  2. Step 2: Convert to fraction form
    659,532,430,862.49/988,732,049,504.55 = 229,213,608,051.72/x
  3. Step 3: Cross multiply
    659,532,430,862.49x = 988,732,049,504.55 × 229,213,608,051.72
  4. Step 4: Simplify right side
    659,532,430,862.49x = 226,630,840,463,309,754,335,232
  5. Step 5: Solve for x
    x = 226,630,840,463,309,754,335,232/659,532,430,862.49
  6. Step 6: Final answer
    x = 343,623,497,281.15

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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.