Home / 784,043,223.20-1,176,056,861.28-201,775,205.60

Finding the Fourth Proportional to 784,043,223.20, 1,176,056,861.28 and 201,775,205.60

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Solution

The fourth proportional to 784,043,223.20, 1,176,056,861.28 and 201,775,205.60 is: 302,660,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,043,223.20 : 1,176,056,861.28 = 201,775,205.60 : x
  2. Step 2: Convert to fraction form
    784,043,223.20/1,176,056,861.28 = 201,775,205.60/x
  3. Step 3: Cross multiply
    784,043,223.20x = 1,176,056,861.28 × 201,775,205.60
  4. Step 4: Simplify right side
    784,043,223.20x = 237,299,114,982,062,656
  5. Step 5: Solve for x
    x = 237,299,114,982,062,656/784,043,223.20
  6. Step 6: Final answer
    x = 302,660,756.40

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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.