Home / 488,586,608.40-732,879,912.60-412,059,104.40

Finding the Fourth Proportional to 488,586,608.40, 732,879,912.60 and 412,059,104.40

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Solution

The fourth proportional to 488,586,608.40, 732,879,912.60 and 412,059,104.40 is: 618,088,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,586,608.40 : 732,879,912.60 = 412,059,104.40 : x
  2. Step 2: Convert to fraction form
    488,586,608.40/732,879,912.60 = 412,059,104.40/x
  3. Step 3: Cross multiply
    488,586,608.40x = 732,879,912.60 × 412,059,104.40
  4. Step 4: Simplify right side
    488,586,608.40x = 301,989,840,418,706,240
  5. Step 5: Solve for x
    x = 301,989,840,418,706,240/488,586,608.40
  6. Step 6: Final answer
    x = 618,088,656.60

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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.