Home / 620,593,234.40-930,889,851.60-211,662,725.60

Finding the Fourth Proportional to 620,593,234.40, 930,889,851.60 and 211,662,725.60

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Solution

The fourth proportional to 620,593,234.40, 930,889,851.60 and 211,662,725.60 is: 317,494,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,593,234.40 : 930,889,851.60 = 211,662,725.60 : x
  2. Step 2: Convert to fraction form
    620,593,234.40/930,889,851.60 = 211,662,725.60/x
  3. Step 3: Cross multiply
    620,593,234.40x = 930,889,851.60 × 211,662,725.60
  4. Step 4: Simplify right side
    620,593,234.40x = 197,034,683,223,035,520
  5. Step 5: Solve for x
    x = 197,034,683,223,035,520/620,593,234.40
  6. Step 6: Final answer
    x = 317,494,088.40

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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.