Home / 354,618,000.40-531,927,000.60-191,359,325.20

Finding the Fourth Proportional to 354,618,000.40, 531,927,000.60 and 191,359,325.20

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Solution

The fourth proportional to 354,618,000.40, 531,927,000.60 and 191,359,325.20 is: 287,038,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,618,000.40 : 531,927,000.60 = 191,359,325.20 : x
  2. Step 2: Convert to fraction form
    354,618,000.40/531,927,000.60 = 191,359,325.20/x
  3. Step 3: Cross multiply
    354,618,000.40x = 531,927,000.60 × 191,359,325.20
  4. Step 4: Simplify right side
    354,618,000.40x = 101,789,191,890,476,000
  5. Step 5: Solve for x
    x = 101,789,191,890,476,000/354,618,000.40
  6. Step 6: Final answer
    x = 287,038,987.80

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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.