Home / 1,996,206,562.60-2,994,509,946.30-685,936,047.40

Finding the Fourth Proportional to 1,996,206,562.60, 2,994,509,946.30 and 685,936,047.40

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Solution

The fourth proportional to 1,996,206,562.60, 2,994,509,946.30 and 685,936,047.40 is: 1,028,972,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,206,562.60 : 2,994,509,946.30 = 685,936,047.40 : x
  2. Step 2: Convert to fraction form
    1,996,206,562.60/2,994,509,946.30 = 685,936,047.40/x
  3. Step 3: Cross multiply
    1,996,206,562.60x = 2,994,509,946.30 × 685,936,047.40
  4. Step 4: Simplify right side
    1,996,206,562.60x = 2,054,042,316,465,008,384
  5. Step 5: Solve for x
    x = 2,054,042,316,465,008,384/1,996,206,562.60
  6. Step 6: Final answer
    x = 1,028,972,830.24

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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.