Home / 999,936,456.80-1,396,686,176.80-999,936,456.80

Finding the Fourth Proportional to 999,936,456.80, 1,396,686,176.80 and 999,936,456.80

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Solution

The fourth proportional to 999,936,456.80, 1,396,686,176.80 and 999,936,456.80 is: 1,396,686,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,936,456.80 : 1,396,686,176.80 = 999,936,456.80 : x
  2. Step 2: Convert to fraction form
    999,936,456.80/1,396,686,176.80 = 999,936,456.80/x
  3. Step 3: Cross multiply
    999,936,456.80x = 1,396,686,176.80 × 999,936,456.80
  4. Step 4: Simplify right side
    999,936,456.80x = 1,396,597,426,890,930,176
  5. Step 5: Solve for x
    x = 1,396,597,426,890,930,176/999,936,456.80
  6. Step 6: Final answer
    x = 1,396,686,176.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.