Home / 1,310,979,413,289.10-1,966,318,905,366.30-342,981,303,067.33

Finding the Fourth Proportional to 1,310,979,413,289.10, 1,966,318,905,366.30 and 342,981,303,067.33

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Solution

The fourth proportional to 1,310,979,413,289.10, 1,966,318,905,366.30 and 342,981,303,067.33 is: 514,432,655,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,979,413,289.10 : 1,966,318,905,366.30 = 342,981,303,067.33 : x
  2. Step 2: Convert to fraction form
    1,310,979,413,289.10/1,966,318,905,366.30 = 342,981,303,067.33/x
  3. Step 3: Cross multiply
    1,310,979,413,289.10x = 1,966,318,905,366.30 × 342,981,303,067.33
  4. Step 4: Simplify right side
    1,310,979,413,289.10x = 674,410,620,408,459,574,640,640
  5. Step 5: Solve for x
    x = 674,410,620,408,459,574,640,640/1,310,979,413,289.10
  6. Step 6: Final answer
    x = 514,432,655,137.15

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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.