Home / 484,477,323.40-726,883,946.70-212,043,608.20

Finding the Fourth Proportional to 484,477,323.40, 726,883,946.70 and 212,043,608.20

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Solution

The fourth proportional to 484,477,323.40, 726,883,946.70 and 212,043,608.20 is: 318,138,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,477,323.40 : 726,883,946.70 = 212,043,608.20 : x
  2. Step 2: Convert to fraction form
    484,477,323.40/726,883,946.70 = 212,043,608.20/x
  3. Step 3: Cross multiply
    484,477,323.40x = 726,883,946.70 × 212,043,608.20
  4. Step 4: Simplify right side
    484,477,323.40x = 154,131,094,800,924,480
  5. Step 5: Solve for x
    x = 154,131,094,800,924,480/484,477,323.40
  6. Step 6: Final answer
    x = 318,138,924.89

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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.