Home / 905,449,534.74-1,358,172,606.96-283,712,363.58

Finding the Fourth Proportional to 905,449,534.74, 1,358,172,606.96 and 283,712,363.58

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Solution

The fourth proportional to 905,449,534.74, 1,358,172,606.96 and 283,712,363.58 is: 425,568,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,449,534.74 : 1,358,172,606.96 = 283,712,363.58 : x
  2. Step 2: Convert to fraction form
    905,449,534.74/1,358,172,606.96 = 283,712,363.58/x
  3. Step 3: Cross multiply
    905,449,534.74x = 1,358,172,606.96 × 283,712,363.58
  4. Step 4: Simplify right side
    905,449,534.74x = 385,330,360,470,231,936
  5. Step 5: Solve for x
    x = 385,330,360,470,231,936/905,449,534.74
  6. Step 6: Final answer
    x = 425,568,014.21

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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.