Home / 452,505,020.40-678,757,530.60-245,880,759.60

Finding the Fourth Proportional to 452,505,020.40, 678,757,530.60 and 245,880,759.60

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Solution

The fourth proportional to 452,505,020.40, 678,757,530.60 and 245,880,759.60 is: 368,821,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,505,020.40 : 678,757,530.60 = 245,880,759.60 : x
  2. Step 2: Convert to fraction form
    452,505,020.40/678,757,530.60 = 245,880,759.60/x
  3. Step 3: Cross multiply
    452,505,020.40x = 678,757,530.60 × 245,880,759.60
  4. Step 4: Simplify right side
    452,505,020.40x = 166,893,417,208,148,256
  5. Step 5: Solve for x
    x = 166,893,417,208,148,256/452,505,020.40
  6. Step 6: Final answer
    x = 368,821,139.40

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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.