Home / 18,909,139,797.28-28,364,287,530.48-6,487,296,124.96

Finding the Fourth Proportional to 18,909,139,797.28, 28,364,287,530.48 and 6,487,296,124.96

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Solution

The fourth proportional to 18,909,139,797.28, 28,364,287,530.48 and 6,487,296,124.96 is: 9,731,142,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909,139,797.28 : 28,364,287,530.48 = 6,487,296,124.96 : x
  2. Step 2: Convert to fraction form
    18,909,139,797.28/28,364,287,530.48 = 6,487,296,124.96/x
  3. Step 3: Cross multiply
    18,909,139,797.28x = 28,364,287,530.48 × 6,487,296,124.96
  4. Step 4: Simplify right side
    18,909,139,797.28x = 184,007,532,583,734,149,120
  5. Step 5: Solve for x
    x = 184,007,532,583,734,149,120/18,909,139,797.28
  6. Step 6: Final answer
    x = 9,731,142,429.35

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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.