Home / 1,209,958,973.40-1,813,426,805.70-886,464,931.80

Finding the Fourth Proportional to 1,209,958,973.40, 1,813,426,805.70 and 886,464,931.80

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Solution

The fourth proportional to 1,209,958,973.40, 1,813,426,805.70 and 886,464,931.80 is: 1,328,589,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,958,973.40 : 1,813,426,805.70 = 886,464,931.80 : x
  2. Step 2: Convert to fraction form
    1,209,958,973.40/1,813,426,805.70 = 886,464,931.80/x
  3. Step 3: Cross multiply
    1,209,958,973.40x = 1,813,426,805.70 × 886,464,931.80
  4. Step 4: Simplify right side
    1,209,958,973.40x = 1,607,539,269,639,142,400
  5. Step 5: Solve for x
    x = 1,607,539,269,639,142,400/1,209,958,973.40
  6. Step 6: Final answer
    x = 1,328,589,898.48

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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.