Home / 354,915,662.40-531,477,698.40-233,087,515.20

Finding the Fourth Proportional to 354,915,662.40, 531,477,698.40 and 233,087,515.20

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Solution

The fourth proportional to 354,915,662.40, 531,477,698.40 and 233,087,515.20 is: 349,042,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,915,662.40 : 531,477,698.40 = 233,087,515.20 : x
  2. Step 2: Convert to fraction form
    354,915,662.40/531,477,698.40 = 233,087,515.20/x
  3. Step 3: Cross multiply
    354,915,662.40x = 531,477,698.40 × 233,087,515.20
  4. Step 4: Simplify right side
    354,915,662.40x = 123,880,816,104,271,008
  5. Step 5: Solve for x
    x = 123,880,816,104,271,008/354,915,662.40
  6. Step 6: Final answer
    x = 349,042,967.75

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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.