Home / 786,593,676.20-1,179,778,539.90-269,047,999.40

Finding the Fourth Proportional to 786,593,676.20, 1,179,778,539.90 and 269,047,999.40

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Solution

The fourth proportional to 786,593,676.20, 1,179,778,539.90 and 269,047,999.40 is: 403,533,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,593,676.20 : 1,179,778,539.90 = 269,047,999.40 : x
  2. Step 2: Convert to fraction form
    786,593,676.20/1,179,778,539.90 = 269,047,999.40/x
  3. Step 3: Cross multiply
    786,593,676.20x = 1,179,778,539.90 × 269,047,999.40
  4. Step 4: Simplify right side
    786,593,676.20x = 317,417,055,895,148,096
  5. Step 5: Solve for x
    x = 317,417,055,895,148,096/786,593,676.20
  6. Step 6: Final answer
    x = 403,533,699.16

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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.