Home / 1,889,570,002.80-2,834,355,004.20-1,430,404,978.80

Finding the Fourth Proportional to 1,889,570,002.80, 2,834,355,004.20 and 1,430,404,978.80

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Solution

The fourth proportional to 1,889,570,002.80, 2,834,355,004.20 and 1,430,404,978.80 is: 2,145,607,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,570,002.80 : 2,834,355,004.20 = 1,430,404,978.80 : x
  2. Step 2: Convert to fraction form
    1,889,570,002.80/2,834,355,004.20 = 1,430,404,978.80/x
  3. Step 3: Cross multiply
    1,889,570,002.80x = 2,834,355,004.20 × 1,430,404,978.80
  4. Step 4: Simplify right side
    1,889,570,002.80x = 4,054,275,509,694,374,400
  5. Step 5: Solve for x
    x = 4,054,275,509,694,374,400/1,889,570,002.80
  6. Step 6: Final answer
    x = 2,145,607,468.20

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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.