Home / 1,227,600,189.08-1,694,088,940.61-663,085,068.10

Finding the Fourth Proportional to 1,227,600,189.08, 1,694,088,940.61 and 663,085,068.10

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Solution

The fourth proportional to 1,227,600,189.08, 1,694,088,940.61 and 663,085,068.10 is: 915,057,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,600,189.08 : 1,694,088,940.61 = 663,085,068.10 : x
  2. Step 2: Convert to fraction form
    1,227,600,189.08/1,694,088,940.61 = 663,085,068.10/x
  3. Step 3: Cross multiply
    1,227,600,189.08x = 1,694,088,940.61 × 663,085,068.10
  4. Step 4: Simplify right side
    1,227,600,189.08x = 1,123,325,080,549,261,056
  5. Step 5: Solve for x
    x = 1,123,325,080,549,261,056/1,227,600,189.08
  6. Step 6: Final answer
    x = 915,057,761.10

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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.