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Finding the Fourth Proportional to 626,697,002.70, 940,045,504.05 and 626,697,002.70

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Solution

The fourth proportional to 626,697,002.70, 940,045,504.05 and 626,697,002.70 is: 940,045,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,697,002.70 : 940,045,504.05 = 626,697,002.70 : x
  2. Step 2: Convert to fraction form
    626,697,002.70/940,045,504.05 = 626,697,002.70/x
  3. Step 3: Cross multiply
    626,697,002.70x = 940,045,504.05 × 626,697,002.70
  4. Step 4: Simplify right side
    626,697,002.70x = 589,123,699,789,745,664
  5. Step 5: Solve for x
    x = 589,123,699,789,745,664/626,697,002.70
  6. Step 6: Final answer
    x = 940,045,504.05

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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.