Home / 702,725,523.58-969,761,314.46-389,479,960.81

Finding the Fourth Proportional to 702,725,523.58, 969,761,314.46 and 389,479,960.81

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Solution

The fourth proportional to 702,725,523.58, 969,761,314.46 and 389,479,960.81 is: 537,482,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,725,523.58 : 969,761,314.46 = 389,479,960.81 : x
  2. Step 2: Convert to fraction form
    702,725,523.58/969,761,314.46 = 389,479,960.81/x
  3. Step 3: Cross multiply
    702,725,523.58x = 969,761,314.46 × 389,479,960.81
  4. Step 4: Simplify right side
    702,725,523.58x = 377,702,598,744,138,688
  5. Step 5: Solve for x
    x = 377,702,598,744,138,688/702,725,523.58
  6. Step 6: Final answer
    x = 537,482,396.86

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1.5x scale

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.