Home / 1,738,360,521.60-2,607,540,782.40-445,896,009.60

Finding the Fourth Proportional to 1,738,360,521.60, 2,607,540,782.40 and 445,896,009.60

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Solution

The fourth proportional to 1,738,360,521.60, 2,607,540,782.40 and 445,896,009.60 is: 668,844,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,360,521.60 : 2,607,540,782.40 = 445,896,009.60 : x
  2. Step 2: Convert to fraction form
    1,738,360,521.60/2,607,540,782.40 = 445,896,009.60/x
  3. Step 3: Cross multiply
    1,738,360,521.60x = 2,607,540,782.40 × 445,896,009.60
  4. Step 4: Simplify right side
    1,738,360,521.60x = 1,162,692,029,741,422,080
  5. Step 5: Solve for x
    x = 1,162,692,029,741,422,080/1,738,360,521.60
  6. Step 6: Final answer
    x = 668,844,014.40

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Double scale
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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.