Home / 354,302,908.40-531,454,362.60-304,985,183.60

Finding the Fourth Proportional to 354,302,908.40, 531,454,362.60 and 304,985,183.60

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Solution

The fourth proportional to 354,302,908.40, 531,454,362.60 and 304,985,183.60 is: 457,477,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,302,908.40 : 531,454,362.60 = 304,985,183.60 : x
  2. Step 2: Convert to fraction form
    354,302,908.40/531,454,362.60 = 304,985,183.60/x
  3. Step 3: Cross multiply
    354,302,908.40x = 531,454,362.60 × 304,985,183.60
  4. Step 4: Simplify right side
    354,302,908.40x = 162,085,706,352,581,984
  5. Step 5: Solve for x
    x = 162,085,706,352,581,984/354,302,908.40
  6. Step 6: Final answer
    x = 457,477,775.40

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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.