Home / 1,303,747,821.20-1,955,621,731.80-997,637,805.20

Finding the Fourth Proportional to 1,303,747,821.20, 1,955,621,731.80 and 997,637,805.20

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Solution

The fourth proportional to 1,303,747,821.20, 1,955,621,731.80 and 997,637,805.20 is: 1,496,456,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,747,821.20 : 1,955,621,731.80 = 997,637,805.20 : x
  2. Step 2: Convert to fraction form
    1,303,747,821.20/1,955,621,731.80 = 997,637,805.20/x
  3. Step 3: Cross multiply
    1,303,747,821.20x = 1,955,621,731.80 × 997,637,805.20
  4. Step 4: Simplify right side
    1,303,747,821.20x = 1,951,002,172,314,375,168
  5. Step 5: Solve for x
    x = 1,951,002,172,314,375,168/1,303,747,821.20
  6. Step 6: Final answer
    x = 1,496,456,707.80

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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.