Home / 1,181,040,009.20-1,771,550,682.60-307,639,689.20

Finding the Fourth Proportional to 1,181,040,009.20, 1,771,550,682.60 and 307,639,689.20

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Solution

The fourth proportional to 1,181,040,009.20, 1,771,550,682.60 and 307,639,689.20 is: 461,457,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,040,009.20 : 1,771,550,682.60 = 307,639,689.20 : x
  2. Step 2: Convert to fraction form
    1,181,040,009.20/1,771,550,682.60 = 307,639,689.20/x
  3. Step 3: Cross multiply
    1,181,040,009.20x = 1,771,550,682.60 × 307,639,689.20
  4. Step 4: Simplify right side
    1,181,040,009.20x = 544,999,301,397,111,808
  5. Step 5: Solve for x
    x = 544,999,301,397,111,808/1,181,040,009.20
  6. Step 6: Final answer
    x = 461,457,103.19

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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.