Home / 28,143,960,526.44-42,223,086,425.78-13,028,427,299.52

Finding the Fourth Proportional to 28,143,960,526.44, 42,223,086,425.78 and 13,028,427,299.52

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Solution

The fourth proportional to 28,143,960,526.44, 42,223,086,425.78 and 13,028,427,299.52 is: 19,545,948,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,143,960,526.44 : 42,223,086,425.78 = 13,028,427,299.52 : x
  2. Step 2: Convert to fraction form
    28,143,960,526.44/42,223,086,425.78 = 13,028,427,299.52/x
  3. Step 3: Cross multiply
    28,143,960,526.44x = 42,223,086,425.78 × 13,028,427,299.52
  4. Step 4: Simplify right side
    28,143,960,526.44x = 550,100,411,859,559,383,040
  5. Step 5: Solve for x
    x = 550,100,411,859,559,383,040/28,143,960,526.44
  6. Step 6: Final answer
    x = 19,545,948,813.52

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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.