Home / 702,725,827.94-969,761,734.54-389,480,265.62

Finding the Fourth Proportional to 702,725,827.94, 969,761,734.54 and 389,480,265.62

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Solution

The fourth proportional to 702,725,827.94, 969,761,734.54 and 389,480,265.62 is: 537,482,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,725,827.94 : 969,761,734.54 = 389,480,265.62 : x
  2. Step 2: Convert to fraction form
    702,725,827.94/969,761,734.54 = 389,480,265.62/x
  3. Step 3: Cross multiply
    702,725,827.94x = 969,761,734.54 × 389,480,265.62
  4. Step 4: Simplify right side
    702,725,827.94x = 377,703,057,956,751,104
  5. Step 5: Solve for x
    x = 377,703,057,956,751,104/702,725,827.94
  6. Step 6: Final answer
    x = 537,482,817.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.