Home / 1,209,958,660.40-1,813,426,336.20-886,464,618.80

Finding the Fourth Proportional to 1,209,958,660.40, 1,813,426,336.20 and 886,464,618.80

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Solution

The fourth proportional to 1,209,958,660.40, 1,813,426,336.20 and 886,464,618.80 is: 1,328,589,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,958,660.40 : 1,813,426,336.20 = 886,464,618.80 : x
  2. Step 2: Convert to fraction form
    1,209,958,660.40/1,813,426,336.20 = 886,464,618.80/x
  3. Step 3: Cross multiply
    1,209,958,660.40x = 1,813,426,336.20 × 886,464,618.80
  4. Step 4: Simplify right side
    1,209,958,660.40x = 1,607,538,285,841,413,632
  5. Step 5: Solve for x
    x = 1,607,538,285,841,413,632/1,209,958,660.40
  6. Step 6: Final answer
    x = 1,328,589,429.09

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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.