Home / 658,952,068.42-988,485,549.63-216,161,988.22

Finding the Fourth Proportional to 658,952,068.42, 988,485,549.63 and 216,161,988.22

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Solution

The fourth proportional to 658,952,068.42, 988,485,549.63 and 216,161,988.22 is: 324,261,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,952,068.42 : 988,485,549.63 = 216,161,988.22 : x
  2. Step 2: Convert to fraction form
    658,952,068.42/988,485,549.63 = 216,161,988.22/x
  3. Step 3: Cross multiply
    658,952,068.42x = 988,485,549.63 × 216,161,988.22
  4. Step 4: Simplify right side
    658,952,068.42x = 213,673,001,734,760,288
  5. Step 5: Solve for x
    x = 213,673,001,734,760,288/658,952,068.42
  6. Step 6: Final answer
    x = 324,261,827.19

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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.