Home / 487,636,034.96-731,525,436.12-228,877,538.96

Finding the Fourth Proportional to 487,636,034.96, 731,525,436.12 and 228,877,538.96

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Solution

The fourth proportional to 487,636,034.96, 731,525,436.12 and 228,877,538.96 is: 343,349,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,636,034.96 : 731,525,436.12 = 228,877,538.96 : x
  2. Step 2: Convert to fraction form
    487,636,034.96/731,525,436.12 = 228,877,538.96/x
  3. Step 3: Cross multiply
    487,636,034.96x = 731,525,436.12 × 228,877,538.96
  4. Step 4: Simplify right side
    487,636,034.96x = 167,429,741,505,786,304
  5. Step 5: Solve for x
    x = 167,429,741,505,786,304/487,636,034.96
  6. Step 6: Final answer
    x = 343,349,813.18

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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.