Home / 669,353,144.80-1,004,029,717.20-474,208,009.60

Finding the Fourth Proportional to 669,353,144.80, 1,004,029,717.20 and 474,208,009.60

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Solution

The fourth proportional to 669,353,144.80, 1,004,029,717.20 and 474,208,009.60 is: 711,312,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,353,144.80 : 1,004,029,717.20 = 474,208,009.60 : x
  2. Step 2: Convert to fraction form
    669,353,144.80/1,004,029,717.20 = 474,208,009.60/x
  3. Step 3: Cross multiply
    669,353,144.80x = 1,004,029,717.20 × 474,208,009.60
  4. Step 4: Simplify right side
    669,353,144.80x = 476,118,933,772,662,912
  5. Step 5: Solve for x
    x = 476,118,933,772,662,912/669,353,144.80
  6. Step 6: Final answer
    x = 711,312,014.40

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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.