Home / 379,538,421.60-569,307,632.40-226,357,442.40

Finding the Fourth Proportional to 379,538,421.60, 569,307,632.40 and 226,357,442.40

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Solution

The fourth proportional to 379,538,421.60, 569,307,632.40 and 226,357,442.40 is: 339,536,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,538,421.60 : 569,307,632.40 = 226,357,442.40 : x
  2. Step 2: Convert to fraction form
    379,538,421.60/569,307,632.40 = 226,357,442.40/x
  3. Step 3: Cross multiply
    379,538,421.60x = 569,307,632.40 × 226,357,442.40
  4. Step 4: Simplify right side
    379,538,421.60x = 128,867,019,608,863,376
  5. Step 5: Solve for x
    x = 128,867,019,608,863,376/379,538,421.60
  6. Step 6: Final answer
    x = 339,536,163.60

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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.