Home / 703,722,642.40-1,055,583,963.60-444,095,999.20

Finding the Fourth Proportional to 703,722,642.40, 1,055,583,963.60 and 444,095,999.20

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Solution

The fourth proportional to 703,722,642.40, 1,055,583,963.60 and 444,095,999.20 is: 666,143,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,722,642.40 : 1,055,583,963.60 = 444,095,999.20 : x
  2. Step 2: Convert to fraction form
    703,722,642.40/1,055,583,963.60 = 444,095,999.20/x
  3. Step 3: Cross multiply
    703,722,642.40x = 1,055,583,963.60 × 444,095,999.20
  4. Step 4: Simplify right side
    703,722,642.40x = 468,780,615,054,438,400
  5. Step 5: Solve for x
    x = 468,780,615,054,438,400/703,722,642.40
  6. Step 6: Final answer
    x = 666,143,998.80

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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.