Home / 398,593,130.40-597,889,695.60-226,406,246.40

Finding the Fourth Proportional to 398,593,130.40, 597,889,695.60 and 226,406,246.40

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Solution

The fourth proportional to 398,593,130.40, 597,889,695.60 and 226,406,246.40 is: 339,609,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,593,130.40 : 597,889,695.60 = 226,406,246.40 : x
  2. Step 2: Convert to fraction form
    398,593,130.40/597,889,695.60 = 226,406,246.40/x
  3. Step 3: Cross multiply
    398,593,130.40x = 597,889,695.60 × 226,406,246.40
  4. Step 4: Simplify right side
    398,593,130.40x = 135,365,961,742,034,608
  5. Step 5: Solve for x
    x = 135,365,961,742,034,608/398,593,130.40
  6. Step 6: Final answer
    x = 339,609,369.60

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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.