Home / 1,090,894,788.46-1,636,342,204.34-261,848,430.98

Finding the Fourth Proportional to 1,090,894,788.46, 1,636,342,204.34 and 261,848,430.98

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Solution

The fourth proportional to 1,090,894,788.46, 1,636,342,204.34 and 261,848,430.98 is: 392,772,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,894,788.46 : 1,636,342,204.34 = 261,848,430.98 : x
  2. Step 2: Convert to fraction form
    1,090,894,788.46/1,636,342,204.34 = 261,848,430.98/x
  3. Step 3: Cross multiply
    1,090,894,788.46x = 1,636,342,204.34 × 261,848,430.98
  4. Step 4: Simplify right side
    1,090,894,788.46x = 428,473,638,751,392,704
  5. Step 5: Solve for x
    x = 428,473,638,751,392,704/1,090,894,788.46
  6. Step 6: Final answer
    x = 392,772,651.66

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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.