Home / 28,706,401,116.18-39,614,835,049.65-15,846,044,464.98

Finding the Fourth Proportional to 28,706,401,116.18, 39,614,835,049.65 and 15,846,044,464.98

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Solution

The fourth proportional to 28,706,401,116.18, 39,614,835,049.65 and 15,846,044,464.98 is: 21,867,542,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706,401,116.18 : 39,614,835,049.65 = 15,846,044,464.98 : x
  2. Step 2: Convert to fraction form
    28,706,401,116.18/39,614,835,049.65 = 15,846,044,464.98/x
  3. Step 3: Cross multiply
    28,706,401,116.18x = 39,614,835,049.65 × 15,846,044,464.98
  4. Step 4: Simplify right side
    28,706,401,116.18x = 627,738,437,669,602,066,432
  5. Step 5: Solve for x
    x = 627,738,437,669,602,066,432/28,706,401,116.18
  6. Step 6: Final answer
    x = 21,867,542,194.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.