Home / 309,282,922.80-463,924,384.20-207,361,335.60

Finding the Fourth Proportional to 309,282,922.80, 463,924,384.20 and 207,361,335.60

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Solution

The fourth proportional to 309,282,922.80, 463,924,384.20 and 207,361,335.60 is: 311,042,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,282,922.80 : 463,924,384.20 = 207,361,335.60 : x
  2. Step 2: Convert to fraction form
    309,282,922.80/463,924,384.20 = 207,361,335.60/x
  3. Step 3: Cross multiply
    309,282,922.80x = 463,924,384.20 × 207,361,335.60
  4. Step 4: Simplify right side
    309,282,922.80x = 96,199,979,925,119,536
  5. Step 5: Solve for x
    x = 96,199,979,925,119,536/309,282,922.80
  6. Step 6: Final answer
    x = 311,042,003.40

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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.