Home / 1,980,286,947,007.70-2,970,430,420,511.70-1,583,568,366,271.80

Finding the Fourth Proportional to 1,980,286,947,007.70, 2,970,430,420,511.70 and 1,583,568,366,271.80

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Solution

The fourth proportional to 1,980,286,947,007.70, 2,970,430,420,511.70 and 1,583,568,366,271.80 is: 2,375,352,549,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,286,947,007.70 : 2,970,430,420,511.70 = 1,583,568,366,271.80 : x
  2. Step 2: Convert to fraction form
    1,980,286,947,007.70/2,970,430,420,511.70 = 1,583,568,366,271.80/x
  3. Step 3: Cross multiply
    1,980,286,947,007.70x = 2,970,430,420,511.70 × 1,583,568,366,271.80
  4. Step 4: Simplify right side
    1,980,286,947,007.70x = 4,703,879,648,133,769,102,098,432
  5. Step 5: Solve for x
    x = 4,703,879,648,133,769,102,098,432/1,980,286,947,007.70
  6. Step 6: Final answer
    x = 2,375,352,549,407.82

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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.