Home / 457,050,907.80-630,923,250.06-308,573,071.56

Finding the Fourth Proportional to 457,050,907.80, 630,923,250.06 and 308,573,071.56

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Solution

The fourth proportional to 457,050,907.80, 630,923,250.06 and 308,573,071.56 is: 425,961,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,050,907.80 : 630,923,250.06 = 308,573,071.56 : x
  2. Step 2: Convert to fraction form
    457,050,907.80/630,923,250.06 = 308,573,071.56/x
  3. Step 3: Cross multiply
    457,050,907.80x = 630,923,250.06 × 308,573,071.56
  4. Step 4: Simplify right side
    457,050,907.80x = 194,685,925,189,632,128
  5. Step 5: Solve for x
    x = 194,685,925,189,632,128/457,050,907.80
  6. Step 6: Final answer
    x = 425,961,138.83

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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.