Home / 708,590,968.20-1,062,886,452.30-325,638,520.20

Finding the Fourth Proportional to 708,590,968.20, 1,062,886,452.30 and 325,638,520.20

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Solution

The fourth proportional to 708,590,968.20, 1,062,886,452.30 and 325,638,520.20 is: 488,457,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,968.20 : 1,062,886,452.30 = 325,638,520.20 : x
  2. Step 2: Convert to fraction form
    708,590,968.20/1,062,886,452.30 = 325,638,520.20/x
  3. Step 3: Cross multiply
    708,590,968.20x = 1,062,886,452.30 × 325,638,520.20
  4. Step 4: Simplify right side
    708,590,968.20x = 346,116,771,467,599,872
  5. Step 5: Solve for x
    x = 346,116,771,467,599,872/708,590,968.20
  6. Step 6: Final answer
    x = 488,457,780.30

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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.