Home / 31,815,453,090.08-47,669,175,063.20-19,197,800,017.76

Finding the Fourth Proportional to 31,815,453,090.08, 47,669,175,063.20 and 19,197,800,017.76

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Solution

The fourth proportional to 31,815,453,090.08, 47,669,175,063.20 and 19,197,800,017.76 is: 28,764,113,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815,453,090.08 : 47,669,175,063.20 = 19,197,800,017.76 : x
  2. Step 2: Convert to fraction form
    31,815,453,090.08/47,669,175,063.20 = 19,197,800,017.76/x
  3. Step 3: Cross multiply
    31,815,453,090.08x = 47,669,175,063.20 × 19,197,800,017.76
  4. Step 4: Simplify right side
    31,815,453,090.08x = 915,143,289,874,905,432,064
  5. Step 5: Solve for x
    x = 915,143,289,874,905,432,064/31,815,453,090.08
  6. Step 6: Final answer
    x = 28,764,113,064.30

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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.