Home / 439,516,980,010.80-659,275,470,016.20-108,646,064,938.80

Finding the Fourth Proportional to 439,516,980,010.80, 659,275,470,016.20 and 108,646,064,938.80

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Solution

The fourth proportional to 439,516,980,010.80, 659,275,470,016.20 and 108,646,064,938.80 is: 162,969,097,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,516,980,010.80 : 659,275,470,016.20 = 108,646,064,938.80 : x
  2. Step 2: Convert to fraction form
    439,516,980,010.80/659,275,470,016.20 = 108,646,064,938.80/x
  3. Step 3: Cross multiply
    439,516,980,010.80x = 659,275,470,016.20 × 108,646,064,938.80
  4. Step 4: Simplify right side
    439,516,980,010.80x = 71,627,685,527,937,951,465,472
  5. Step 5: Solve for x
    x = 71,627,685,527,937,951,465,472/439,516,980,010.80
  6. Step 6: Final answer
    x = 162,969,097,408.20

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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.