Home / 460,138,840.02-690,222,431.79-201,220,784.82

Finding the Fourth Proportional to 460,138,840.02, 690,222,431.79 and 201,220,784.82

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Solution

The fourth proportional to 460,138,840.02, 690,222,431.79 and 201,220,784.82 is: 301,837,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,138,840.02 : 690,222,431.79 = 201,220,784.82 : x
  2. Step 2: Convert to fraction form
    460,138,840.02/690,222,431.79 = 201,220,784.82/x
  3. Step 3: Cross multiply
    460,138,840.02x = 690,222,431.79 × 201,220,784.82
  4. Step 4: Simplify right side
    460,138,840.02x = 138,887,099,425,152,704
  5. Step 5: Solve for x
    x = 138,887,099,425,152,704/460,138,840.02
  6. Step 6: Final answer
    x = 301,837,374.60

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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.