Home / 331,959,969.40-497,604,030.90-195,575,150.20

Finding the Fourth Proportional to 331,959,969.40, 497,604,030.90 and 195,575,150.20

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Solution

The fourth proportional to 331,959,969.40, 497,604,030.90 and 195,575,150.20 is: 293,164,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,959,969.40 : 497,604,030.90 = 195,575,150.20 : x
  2. Step 2: Convert to fraction form
    331,959,969.40/497,604,030.90 = 195,575,150.20/x
  3. Step 3: Cross multiply
    331,959,969.40x = 497,604,030.90 × 195,575,150.20
  4. Step 4: Simplify right side
    331,959,969.40x = 97,318,983,083,392,928
  5. Step 5: Solve for x
    x = 97,318,983,083,392,928/331,959,969.40
  6. Step 6: Final answer
    x = 293,164,815.20

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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.