Home / 1,436,869,231.20-2,154,673,990.80-660,256,783.20

Finding the Fourth Proportional to 1,436,869,231.20, 2,154,673,990.80 and 660,256,783.20

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Solution

The fourth proportional to 1,436,869,231.20, 2,154,673,990.80 and 660,256,783.20 is: 990,095,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,869,231.20 : 2,154,673,990.80 = 660,256,783.20 : x
  2. Step 2: Convert to fraction form
    1,436,869,231.20/2,154,673,990.80 = 660,256,783.20/x
  3. Step 3: Cross multiply
    1,436,869,231.20x = 2,154,673,990.80 × 660,256,783.20
  4. Step 4: Simplify right side
    1,436,869,231.20x = 1,422,638,118,010,314,496
  5. Step 5: Solve for x
    x = 1,422,638,118,010,314,496/1,436,869,231.20
  6. Step 6: Final answer
    x = 990,095,749.23

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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.