Home / 1,230,763,318.20-1,846,144,977.30-357,362,998.20

Finding the Fourth Proportional to 1,230,763,318.20, 1,846,144,977.30 and 357,362,998.20

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Solution

The fourth proportional to 1,230,763,318.20, 1,846,144,977.30 and 357,362,998.20 is: 536,044,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,763,318.20 : 1,846,144,977.30 = 357,362,998.20 : x
  2. Step 2: Convert to fraction form
    1,230,763,318.20/1,846,144,977.30 = 357,362,998.20/x
  3. Step 3: Cross multiply
    1,230,763,318.20x = 1,846,144,977.30 × 357,362,998.20
  4. Step 4: Simplify right side
    1,230,763,318.20x = 659,743,904,199,798,912
  5. Step 5: Solve for x
    x = 659,743,904,199,798,912/1,230,763,318.20
  6. Step 6: Final answer
    x = 536,044,497.30

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Half scale
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Double scale
Find fourth proportional to 1,230,763,319.20, 1,846,144,978.80 and 357,362,999.20
Similar ratio
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1.5x scale

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.