Home / 307,089,009.80-460,633,514.70-190,862,863.10

Finding the Fourth Proportional to 307,089,009.80, 460,633,514.70 and 190,862,863.10

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Solution

The fourth proportional to 307,089,009.80, 460,633,514.70 and 190,862,863.10 is: 286,294,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,089,009.80 : 460,633,514.70 = 190,862,863.10 : x
  2. Step 2: Convert to fraction form
    307,089,009.80/460,633,514.70 = 190,862,863.10/x
  3. Step 3: Cross multiply
    307,089,009.80x = 460,633,514.70 × 190,862,863.10
  4. Step 4: Simplify right side
    307,089,009.80x = 87,917,831,455,457,936
  5. Step 5: Solve for x
    x = 87,917,831,455,457,936/307,089,009.80
  6. Step 6: Final answer
    x = 286,294,294.65

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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.