Home / 995,732,603.80-1,493,598,905.70-421,229,282.20

Finding the Fourth Proportional to 995,732,603.80, 1,493,598,905.70 and 421,229,282.20

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Solution

The fourth proportional to 995,732,603.80, 1,493,598,905.70 and 421,229,282.20 is: 631,843,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,732,603.80 : 1,493,598,905.70 = 421,229,282.20 : x
  2. Step 2: Convert to fraction form
    995,732,603.80/1,493,598,905.70 = 421,229,282.20/x
  3. Step 3: Cross multiply
    995,732,603.80x = 1,493,598,905.70 × 421,229,282.20
  4. Step 4: Simplify right side
    995,732,603.80x = 629,147,594,942,716,544
  5. Step 5: Solve for x
    x = 629,147,594,942,716,544/995,732,603.80
  6. Step 6: Final answer
    x = 631,843,923.30

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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.