Home / 496,430,349.06-685,122,271.43-370,764,374.88

Finding the Fourth Proportional to 496,430,349.06, 685,122,271.43 and 370,764,374.88

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Solution

The fourth proportional to 496,430,349.06, 685,122,271.43 and 370,764,374.88 is: 511,690,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,430,349.06 : 685,122,271.43 = 370,764,374.88 : x
  2. Step 2: Convert to fraction form
    496,430,349.06/685,122,271.43 = 370,764,374.88/x
  3. Step 3: Cross multiply
    496,430,349.06x = 685,122,271.43 × 370,764,374.88
  4. Step 4: Simplify right side
    496,430,349.06x = 254,018,930,684,036,544
  5. Step 5: Solve for x
    x = 254,018,930,684,036,544/496,430,349.06
  6. Step 6: Final answer
    x = 511,690,977.73

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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.