Home / 1,996,189,976.10-2,994,001,528.95-686,152,481.70

Finding the Fourth Proportional to 1,996,189,976.10, 2,994,001,528.95 and 686,152,481.70

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Solution

The fourth proportional to 1,996,189,976.10, 2,994,001,528.95 and 686,152,481.70 is: 1,029,131,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,189,976.10 : 2,994,001,528.95 = 686,152,481.70 : x
  2. Step 2: Convert to fraction form
    1,996,189,976.10/2,994,001,528.95 = 686,152,481.70/x
  3. Step 3: Cross multiply
    1,996,189,976.10x = 2,994,001,528.95 × 686,152,481.70
  4. Step 4: Simplify right side
    1,996,189,976.10x = 2,054,341,579,302,636,800
  5. Step 5: Solve for x
    x = 2,054,341,579,302,636,800/1,996,189,976.10
  6. Step 6: Final answer
    x = 1,029,131,297.07

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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.