Home / 1,417,187,714.40-2,125,781,571.60-640,858,701.60

Finding the Fourth Proportional to 1,417,187,714.40, 2,125,781,571.60 and 640,858,701.60

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Solution

The fourth proportional to 1,417,187,714.40, 2,125,781,571.60 and 640,858,701.60 is: 961,288,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,187,714.40 : 2,125,781,571.60 = 640,858,701.60 : x
  2. Step 2: Convert to fraction form
    1,417,187,714.40/2,125,781,571.60 = 640,858,701.60/x
  3. Step 3: Cross multiply
    1,417,187,714.40x = 2,125,781,571.60 × 640,858,701.60
  4. Step 4: Simplify right side
    1,417,187,714.40x = 1,362,325,617,860,783,360
  5. Step 5: Solve for x
    x = 1,362,325,617,860,783,360/1,417,187,714.40
  6. Step 6: Final answer
    x = 961,288,052.40

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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.