Home / 28,143,960,530.94-42,223,086,432.53-13,028,427,304.02

Finding the Fourth Proportional to 28,143,960,530.94, 42,223,086,432.53 and 13,028,427,304.02

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Solution

The fourth proportional to 28,143,960,530.94, 42,223,086,432.53 and 13,028,427,304.02 is: 19,545,948,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,143,960,530.94 : 42,223,086,432.53 = 13,028,427,304.02 : x
  2. Step 2: Convert to fraction form
    28,143,960,530.94/42,223,086,432.53 = 13,028,427,304.02/x
  3. Step 3: Cross multiply
    28,143,960,530.94x = 42,223,086,432.53 × 13,028,427,304.02
  4. Step 4: Simplify right side
    28,143,960,530.94x = 550,100,412,137,570,238,464
  5. Step 5: Solve for x
    x = 550,100,412,137,570,238,464/28,143,960,530.94
  6. Step 6: Final answer
    x = 19,545,948,820.27

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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.