Home / 905,449,485.49-1,358,172,533.03-283,712,314.28

Finding the Fourth Proportional to 905,449,485.49, 1,358,172,533.03 and 283,712,314.28

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Solution

The fourth proportional to 905,449,485.49, 1,358,172,533.03 and 283,712,314.28 is: 425,567,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,449,485.49 : 1,358,172,533.03 = 283,712,314.28 : x
  2. Step 2: Convert to fraction form
    905,449,485.49/1,358,172,533.03 = 283,712,314.28/x
  3. Step 3: Cross multiply
    905,449,485.49x = 1,358,172,533.03 × 283,712,314.28
  4. Step 4: Simplify right side
    905,449,485.49x = 385,330,272,529,261,632
  5. Step 5: Solve for x
    x = 385,330,272,529,261,632/905,449,485.49
  6. Step 6: Final answer
    x = 425,567,940.24

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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.