Home / 1,370,423,000,221.10-2,055,702,780,208.20-521,545,321,072.44

Finding the Fourth Proportional to 1,370,423,000,221.10, 2,055,702,780,208.20 and 521,545,321,072.44

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Solution

The fourth proportional to 1,370,423,000,221.10, 2,055,702,780,208.20 and 521,545,321,072.44 is: 782,343,967,052.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,423,000,221.10 : 2,055,702,780,208.20 = 521,545,321,072.44 : x
  2. Step 2: Convert to fraction form
    1,370,423,000,221.10/2,055,702,780,208.20 = 521,545,321,072.44/x
  3. Step 3: Cross multiply
    1,370,423,000,221.10x = 2,055,702,780,208.20 × 521,545,321,072.44
  4. Step 4: Simplify right side
    1,370,423,000,221.10x = 1,072,142,166,533,193,208,954,880
  5. Step 5: Solve for x
    x = 1,072,142,166,533,193,208,954,880/1,370,423,000,221.10
  6. Step 6: Final answer
    x = 782,343,967,052.67

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Double scale
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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.