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Finding the Fourth Proportional to 1,775,714,715.30, 2,490,082,068.30 and 1,775,714,715.30

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Solution

The fourth proportional to 1,775,714,715.30, 2,490,082,068.30 and 1,775,714,715.30 is: 2,490,082,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,714,715.30 : 2,490,082,068.30 = 1,775,714,715.30 : x
  2. Step 2: Convert to fraction form
    1,775,714,715.30/2,490,082,068.30 = 1,775,714,715.30/x
  3. Step 3: Cross multiply
    1,775,714,715.30x = 2,490,082,068.30 × 1,775,714,715.30
  4. Step 4: Simplify right side
    1,775,714,715.30x = 4,421,675,370,984,969,728
  5. Step 5: Solve for x
    x = 4,421,675,370,984,969,728/1,775,714,715.30
  6. Step 6: Final answer
    x = 2,490,082,068.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.