Home / 808,291,240.62-1,212,431,773.27-434,974,975.86

Finding the Fourth Proportional to 808,291,240.62, 1,212,431,773.27 and 434,974,975.86

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Solution

The fourth proportional to 808,291,240.62, 1,212,431,773.27 and 434,974,975.86 is: 652,459,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,291,240.62 : 1,212,431,773.27 = 434,974,975.86 : x
  2. Step 2: Convert to fraction form
    808,291,240.62/1,212,431,773.27 = 434,974,975.86/x
  3. Step 3: Cross multiply
    808,291,240.62x = 1,212,431,773.27 × 434,974,975.86
  4. Step 4: Simplify right side
    808,291,240.62x = 527,377,481,306,984,192
  5. Step 5: Solve for x
    x = 527,377,481,306,984,192/808,291,240.62
  6. Step 6: Final answer
    x = 652,459,725.91

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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.