Home / 905,449,601.88-1,358,172,707.40-283,712,430.60

Finding the Fourth Proportional to 905,449,601.88, 1,358,172,707.40 and 283,712,430.60

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Solution

The fourth proportional to 905,449,601.88, 1,358,172,707.40 and 283,712,430.60 is: 425,568,114.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,449,601.88 : 1,358,172,707.40 = 283,712,430.60 : x
  2. Step 2: Convert to fraction form
    905,449,601.88/1,358,172,707.40 = 283,712,430.60/x
  3. Step 3: Cross multiply
    905,449,601.88x = 1,358,172,707.40 × 283,712,430.60
  4. Step 4: Simplify right side
    905,449,601.88x = 385,330,479,991,036,672
  5. Step 5: Solve for x
    x = 385,330,479,991,036,672/905,449,601.88
  6. Step 6: Final answer
    x = 425,568,114.66

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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.