Home / 1,560,978,048.40-2,341,467,072.60-640,548,480.40

Finding the Fourth Proportional to 1,560,978,048.40, 2,341,467,072.60 and 640,548,480.40

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Solution

The fourth proportional to 1,560,978,048.40, 2,341,467,072.60 and 640,548,480.40 is: 960,822,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,978,048.40 : 2,341,467,072.60 = 640,548,480.40 : x
  2. Step 2: Convert to fraction form
    1,560,978,048.40/2,341,467,072.60 = 640,548,480.40/x
  3. Step 3: Cross multiply
    1,560,978,048.40x = 2,341,467,072.60 × 640,548,480.40
  4. Step 4: Simplify right side
    1,560,978,048.40x = 1,499,823,175,260,566,272
  5. Step 5: Solve for x
    x = 1,499,823,175,260,566,272/1,560,978,048.40
  6. Step 6: Final answer
    x = 960,822,720.60

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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.