Home / 486,007,783.76-670,691,907.42-262,991,858.47

Finding the Fourth Proportional to 486,007,783.76, 670,691,907.42 and 262,991,858.47

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Solution

The fourth proportional to 486,007,783.76, 670,691,907.42 and 262,991,858.47 is: 362,929,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,007,783.76 : 670,691,907.42 = 262,991,858.47 : x
  2. Step 2: Convert to fraction form
    486,007,783.76/670,691,907.42 = 262,991,858.47/x
  3. Step 3: Cross multiply
    486,007,783.76x = 670,691,907.42 × 262,991,858.47
  4. Step 4: Simplify right side
    486,007,783.76x = 176,386,511,190,888,128
  5. Step 5: Solve for x
    x = 176,386,511,190,888,128/486,007,783.76
  6. Step 6: Final answer
    x = 362,929,395.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.