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Finding the Fourth Proportional to 848,197,689.40, 1,270,504,943.70 and 848,197,689.40

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Solution

The fourth proportional to 848,197,689.40, 1,270,504,943.70 and 848,197,689.40 is: 1,270,504,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,197,689.40 : 1,270,504,943.70 = 848,197,689.40 : x
  2. Step 2: Convert to fraction form
    848,197,689.40/1,270,504,943.70 = 848,197,689.40/x
  3. Step 3: Cross multiply
    848,197,689.40x = 1,270,504,943.70 × 848,197,689.40
  4. Step 4: Simplify right side
    848,197,689.40x = 1,077,639,357,617,617,152
  5. Step 5: Solve for x
    x = 1,077,639,357,617,617,152/848,197,689.40
  6. Step 6: Final answer
    x = 1,270,504,943.70

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Double scale
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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.