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Finding the Fourth Proportional to 848,201,316.40, 1,270,510,384.20 and 848,201,316.40

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Solution

The fourth proportional to 848,201,316.40, 1,270,510,384.20 and 848,201,316.40 is: 1,270,510,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,201,316.40 : 1,270,510,384.20 = 848,201,316.40 : x
  2. Step 2: Convert to fraction form
    848,201,316.40/1,270,510,384.20 = 848,201,316.40/x
  3. Step 3: Cross multiply
    848,201,316.40x = 1,270,510,384.20 × 848,201,316.40
  4. Step 4: Simplify right side
    848,201,316.40x = 1,077,648,580,378,309,760
  5. Step 5: Solve for x
    x = 1,077,648,580,378,309,760/848,201,316.40
  6. Step 6: Final answer
    x = 1,270,510,384.20

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1.5x scale

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.