Home / 12,597,142,021.60-18,895,713,032.40-3,871,872,824.80

Finding the Fourth Proportional to 12,597,142,021.60, 18,895,713,032.40 and 3,871,872,824.80

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Solution

The fourth proportional to 12,597,142,021.60, 18,895,713,032.40 and 3,871,872,824.80 is: 5,807,809,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597,142,021.60 : 18,895,713,032.40 = 3,871,872,824.80 : x
  2. Step 2: Convert to fraction form
    12,597,142,021.60/18,895,713,032.40 = 3,871,872,824.80/x
  3. Step 3: Cross multiply
    12,597,142,021.60x = 18,895,713,032.40 × 3,871,872,824.80
  4. Step 4: Simplify right side
    12,597,142,021.60x = 73,161,797,795,368,771,584
  5. Step 5: Solve for x
    x = 73,161,797,795,368,771,584/12,597,142,021.60
  6. Step 6: Final answer
    x = 5,807,809,237.20

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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.