Home / 3,012,085,979.40-4,518,128,969.10-1,072,689,371.40

Finding the Fourth Proportional to 3,012,085,979.40, 4,518,128,969.10 and 1,072,689,371.40

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Solution

The fourth proportional to 3,012,085,979.40, 4,518,128,969.10 and 1,072,689,371.40 is: 1,609,034,057.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,085,979.40 : 4,518,128,969.10 = 1,072,689,371.40 : x
  2. Step 2: Convert to fraction form
    3,012,085,979.40/4,518,128,969.10 = 1,072,689,371.40/x
  3. Step 3: Cross multiply
    3,012,085,979.40x = 4,518,128,969.10 × 1,072,689,371.40
  4. Step 4: Simplify right side
    3,012,085,979.40x = 4,846,548,923,768,009,728
  5. Step 5: Solve for x
    x = 4,846,548,923,768,009,728/3,012,085,979.40
  6. Step 6: Final answer
    x = 1,609,034,057.10

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Double scale
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Similar ratio
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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.