Home / 1,436,783,835.20-2,155,175,752.80-889,751,566.40

Finding the Fourth Proportional to 1,436,783,835.20, 2,155,175,752.80 and 889,751,566.40

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Solution

The fourth proportional to 1,436,783,835.20, 2,155,175,752.80 and 889,751,566.40 is: 1,334,627,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,783,835.20 : 2,155,175,752.80 = 889,751,566.40 : x
  2. Step 2: Convert to fraction form
    1,436,783,835.20/2,155,175,752.80 = 889,751,566.40/x
  3. Step 3: Cross multiply
    1,436,783,835.20x = 2,155,175,752.80 × 889,751,566.40
  4. Step 4: Simplify right side
    1,436,783,835.20x = 1,917,571,001,921,099,264
  5. Step 5: Solve for x
    x = 1,917,571,001,921,099,264/1,436,783,835.20
  6. Step 6: Final answer
    x = 1,334,627,349.60

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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.