Home / 331,776,009.60-497,664,014.40-285,592,790.40

Finding the Fourth Proportional to 331,776,009.60, 497,664,014.40 and 285,592,790.40

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Solution

The fourth proportional to 331,776,009.60, 497,664,014.40 and 285,592,790.40 is: 428,389,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,009.60 : 497,664,014.40 = 285,592,790.40 : x
  2. Step 2: Convert to fraction form
    331,776,009.60/497,664,014.40 = 285,592,790.40/x
  3. Step 3: Cross multiply
    331,776,009.60x = 497,664,014.40 × 285,592,790.40
  4. Step 4: Simplify right side
    331,776,009.60x = 142,129,254,554,161,760
  5. Step 5: Solve for x
    x = 142,129,254,554,161,760/331,776,009.60
  6. Step 6: Final answer
    x = 428,389,185.60

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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.