Home / 905,449,533.51-1,358,172,605.11-283,712,362.35

Finding the Fourth Proportional to 905,449,533.51, 1,358,172,605.11 and 283,712,362.35

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Solution

The fourth proportional to 905,449,533.51, 1,358,172,605.11 and 283,712,362.35 is: 425,568,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,449,533.51 : 1,358,172,605.11 = 283,712,362.35 : x
  2. Step 2: Convert to fraction form
    905,449,533.51/1,358,172,605.11 = 283,712,362.35/x
  3. Step 3: Cross multiply
    905,449,533.51x = 1,358,172,605.11 × 283,712,362.35
  4. Step 4: Simplify right side
    905,449,533.51x = 385,330,358,268,437,376
  5. Step 5: Solve for x
    x = 385,330,358,268,437,376/905,449,533.51
  6. Step 6: Final answer
    x = 425,568,012.36

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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.