Home / 1,201,366,817.10-1,802,050,225.65-511,100,628.30

Finding the Fourth Proportional to 1,201,366,817.10, 1,802,050,225.65 and 511,100,628.30

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Solution

The fourth proportional to 1,201,366,817.10, 1,802,050,225.65 and 511,100,628.30 is: 766,650,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,366,817.10 : 1,802,050,225.65 = 511,100,628.30 : x
  2. Step 2: Convert to fraction form
    1,201,366,817.10/1,802,050,225.65 = 511,100,628.30/x
  3. Step 3: Cross multiply
    1,201,366,817.10x = 1,802,050,225.65 × 511,100,628.30
  4. Step 4: Simplify right side
    1,201,366,817.10x = 921,029,002,557,871,872
  5. Step 5: Solve for x
    x = 921,029,002,557,871,872/1,201,366,817.10
  6. Step 6: Final answer
    x = 766,650,942.45

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Half scale
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Double scale
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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.