Home / 1,998,061,543,049.10-2,991,930,636,895.20-1,378,993,210,661.60

Finding the Fourth Proportional to 1,998,061,543,049.10, 2,991,930,636,895.20 and 1,378,993,210,661.60

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Solution

The fourth proportional to 1,998,061,543,049.10, 2,991,930,636,895.20 and 1,378,993,210,661.60 is: 2,064,927,403,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,061,543,049.10 : 2,991,930,636,895.20 = 1,378,993,210,661.60 : x
  2. Step 2: Convert to fraction form
    1,998,061,543,049.10/2,991,930,636,895.20 = 1,378,993,210,661.60/x
  3. Step 3: Cross multiply
    1,998,061,543,049.10x = 2,991,930,636,895.20 × 1,378,993,210,661.60
  4. Step 4: Simplify right side
    1,998,061,543,049.10x = 4,125,852,035,048,918,199,828,480
  5. Step 5: Solve for x
    x = 4,125,852,035,048,918,199,828,480/1,998,061,543,049.10
  6. Step 6: Final answer
    x = 2,064,927,403,964.12

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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.