Home / 1,310,979,413,284.90-1,966,318,905,359.90-342,981,303,063.08

Finding the Fourth Proportional to 1,310,979,413,284.90, 1,966,318,905,359.90 and 342,981,303,063.08

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Solution

The fourth proportional to 1,310,979,413,284.90, 1,966,318,905,359.90 and 342,981,303,063.08 is: 514,432,655,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,979,413,284.90 : 1,966,318,905,359.90 = 342,981,303,063.08 : x
  2. Step 2: Convert to fraction form
    1,310,979,413,284.90/1,966,318,905,359.90 = 342,981,303,063.08/x
  3. Step 3: Cross multiply
    1,310,979,413,284.90x = 1,966,318,905,359.90 × 342,981,303,063.08
  4. Step 4: Simplify right side
    1,310,979,413,284.90x = 674,410,620,397,907,645,300,736
  5. Step 5: Solve for x
    x = 674,410,620,397,907,645,300,736/1,310,979,413,284.90
  6. Step 6: Final answer
    x = 514,432,655,130.75

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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.