Home / 460,728,684.56-691,088,858.57-145,594,765.19

Finding the Fourth Proportional to 460,728,684.56, 691,088,858.57 and 145,594,765.19

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Solution

The fourth proportional to 460,728,684.56, 691,088,858.57 and 145,594,765.19 is: 218,390,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,728,684.56 : 691,088,858.57 = 145,594,765.19 : x
  2. Step 2: Convert to fraction form
    460,728,684.56/691,088,858.57 = 145,594,765.19/x
  3. Step 3: Cross multiply
    460,728,684.56x = 691,088,858.57 × 145,594,765.19
  4. Step 4: Simplify right side
    460,728,684.56x = 100,618,920,090,686,960
  5. Step 5: Solve for x
    x = 100,618,920,090,686,960/460,728,684.56
  6. Step 6: Final answer
    x = 218,390,830.57

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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.