Home / 1,209,958,659.40-1,813,426,334.70-886,464,617.80

Finding the Fourth Proportional to 1,209,958,659.40, 1,813,426,334.70 and 886,464,617.80

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Solution

The fourth proportional to 1,209,958,659.40, 1,813,426,334.70 and 886,464,617.80 is: 1,328,589,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,958,659.40 : 1,813,426,334.70 = 886,464,617.80 : x
  2. Step 2: Convert to fraction form
    1,209,958,659.40/1,813,426,334.70 = 886,464,617.80/x
  3. Step 3: Cross multiply
    1,209,958,659.40x = 1,813,426,334.70 × 886,464,617.80
  4. Step 4: Simplify right side
    1,209,958,659.40x = 1,607,538,282,698,290,432
  5. Step 5: Solve for x
    x = 1,607,538,282,698,290,432/1,209,958,659.40
  6. Step 6: Final answer
    x = 1,328,589,427.59

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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.