Home / 1,071,393,421.43-1,607,297,093.52-407,355,810.62

Finding the Fourth Proportional to 1,071,393,421.43, 1,607,297,093.52 and 407,355,810.62

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Solution

The fourth proportional to 1,071,393,421.43, 1,607,297,093.52 and 407,355,810.62 is: 611,112,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,393,421.43 : 1,607,297,093.52 = 407,355,810.62 : x
  2. Step 2: Convert to fraction form
    1,071,393,421.43/1,607,297,093.52 = 407,355,810.62/x
  3. Step 3: Cross multiply
    1,071,393,421.43x = 1,607,297,093.52 × 407,355,810.62
  4. Step 4: Simplify right side
    1,071,393,421.43x = 654,741,810,443,575,680
  5. Step 5: Solve for x
    x = 654,741,810,443,575,680/1,071,393,421.43
  6. Step 6: Final answer
    x = 611,112,404.97

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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.