Home / 331,776,428.80-497,664,643.20-186,657,606.40

Finding the Fourth Proportional to 331,776,428.80, 497,664,643.20 and 186,657,606.40

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Solution

The fourth proportional to 331,776,428.80, 497,664,643.20 and 186,657,606.40 is: 279,986,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,428.80 : 497,664,643.20 = 186,657,606.40 : x
  2. Step 2: Convert to fraction form
    331,776,428.80/497,664,643.20 = 186,657,606.40/x
  3. Step 3: Cross multiply
    331,776,428.80x = 497,664,643.20 × 186,657,606.40
  4. Step 4: Simplify right side
    331,776,428.80x = 92,892,891,089,622,032
  5. Step 5: Solve for x
    x = 92,892,891,089,622,032/331,776,428.80
  6. Step 6: Final answer
    x = 279,986,409.60

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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.