Home / 556,999,235.04-768,039,078.96-380,815,811.04

Finding the Fourth Proportional to 556,999,235.04, 768,039,078.96 and 380,815,811.04

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Solution

The fourth proportional to 556,999,235.04, 768,039,078.96 and 380,815,811.04 is: 525,102,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,999,235.04 : 768,039,078.96 = 380,815,811.04 : x
  2. Step 2: Convert to fraction form
    556,999,235.04/768,039,078.96 = 380,815,811.04/x
  3. Step 3: Cross multiply
    556,999,235.04x = 768,039,078.96 × 380,815,811.04
  4. Step 4: Simplify right side
    556,999,235.04x = 292,481,424,764,567,040
  5. Step 5: Solve for x
    x = 292,481,424,764,567,040/556,999,235.04
  6. Step 6: Final answer
    x = 525,102,022.35

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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.