Home / 489,074,133.60-733,611,200.40-325,815,458.40

Finding the Fourth Proportional to 489,074,133.60, 733,611,200.40 and 325,815,458.40

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Solution

The fourth proportional to 489,074,133.60, 733,611,200.40 and 325,815,458.40 is: 488,723,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,074,133.60 : 733,611,200.40 = 325,815,458.40 : x
  2. Step 2: Convert to fraction form
    489,074,133.60/733,611,200.40 = 325,815,458.40/x
  3. Step 3: Cross multiply
    489,074,133.60x = 733,611,200.40 × 325,815,458.40
  4. Step 4: Simplify right side
    489,074,133.60x = 239,021,869,545,700,224
  5. Step 5: Solve for x
    x = 239,021,869,545,700,224/489,074,133.60
  6. Step 6: Final answer
    x = 488,723,187.60

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1.5x scale

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.