Home / 28,263,794,425.72-39,004,036,526.70-15,576,530,234.61

Finding the Fourth Proportional to 28,263,794,425.72, 39,004,036,526.70 and 15,576,530,234.61

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Solution

The fourth proportional to 28,263,794,425.72, 39,004,036,526.70 and 15,576,530,234.61 is: 21,495,611,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263,794,425.72 : 39,004,036,526.70 = 15,576,530,234.61 : x
  2. Step 2: Convert to fraction form
    28,263,794,425.72/39,004,036,526.70 = 15,576,530,234.61/x
  3. Step 3: Cross multiply
    28,263,794,425.72x = 39,004,036,526.70 × 15,576,530,234.61
  4. Step 4: Simplify right side
    28,263,794,425.72x = 607,547,554,230,131,359,744
  5. Step 5: Solve for x
    x = 607,547,554,230,131,359,744/28,263,794,425.72
  6. Step 6: Final answer
    x = 21,495,611,844.58

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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.