Home / 355,592,022,993.40-490,704,295,089.12-201,264,389,047.64

Finding the Fourth Proportional to 355,592,022,993.40, 490,704,295,089.12 and 201,264,389,047.64

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Solution

The fourth proportional to 355,592,022,993.40, 490,704,295,089.12 and 201,264,389,047.64 is: 277,737,670,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,592,022,993.40 : 490,704,295,089.12 = 201,264,389,047.64 : x
  2. Step 2: Convert to fraction form
    355,592,022,993.40/490,704,295,089.12 = 201,264,389,047.64/x
  3. Step 3: Cross multiply
    355,592,022,993.40x = 490,704,295,089.12 × 201,264,389,047.64
  4. Step 4: Simplify right side
    355,592,022,993.40x = 98,761,300,154,164,594,081,792
  5. Step 5: Solve for x
    x = 98,761,300,154,164,594,081,792/355,592,022,993.40
  6. Step 6: Final answer
    x = 277,737,670,611.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.