Home / 526,334,890.40-789,576,985.20-162,791,338.40

Finding the Fourth Proportional to 526,334,890.40, 789,576,985.20 and 162,791,338.40

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Solution

The fourth proportional to 526,334,890.40, 789,576,985.20 and 162,791,338.40 is: 244,210,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,334,890.40 : 789,576,985.20 = 162,791,338.40 : x
  2. Step 2: Convert to fraction form
    526,334,890.40/789,576,985.20 = 162,791,338.40/x
  3. Step 3: Cross multiply
    526,334,890.40x = 789,576,985.20 × 162,791,338.40
  4. Step 4: Simplify right side
    526,334,890.40x = 128,536,294,190,545,008
  5. Step 5: Solve for x
    x = 128,536,294,190,545,008/526,334,890.40
  6. Step 6: Final answer
    x = 244,210,096.15

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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.