Home / 354,595,430.40-531,893,145.60-317,569,228.80

Finding the Fourth Proportional to 354,595,430.40, 531,893,145.60 and 317,569,228.80

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Solution

The fourth proportional to 354,595,430.40, 531,893,145.60 and 317,569,228.80 is: 476,353,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,595,430.40 : 531,893,145.60 = 317,569,228.80 : x
  2. Step 2: Convert to fraction form
    354,595,430.40/531,893,145.60 = 317,569,228.80/x
  3. Step 3: Cross multiply
    354,595,430.40x = 531,893,145.60 × 317,569,228.80
  4. Step 4: Simplify right side
    354,595,430.40x = 168,912,896,052,198,112
  5. Step 5: Solve for x
    x = 168,912,896,052,198,112/354,595,430.40
  6. Step 6: Final answer
    x = 476,353,843.20

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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.