Home / 1,889,571,002.80-2,834,356,504.20-1,272,816,007.60

Finding the Fourth Proportional to 1,889,571,002.80, 2,834,356,504.20 and 1,272,816,007.60

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Solution

The fourth proportional to 1,889,571,002.80, 2,834,356,504.20 and 1,272,816,007.60 is: 1,909,224,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,571,002.80 : 2,834,356,504.20 = 1,272,816,007.60 : x
  2. Step 2: Convert to fraction form
    1,889,571,002.80/2,834,356,504.20 = 1,272,816,007.60/x
  3. Step 3: Cross multiply
    1,889,571,002.80x = 2,834,356,504.20 × 1,272,816,007.60
  4. Step 4: Simplify right side
    1,889,571,002.80x = 3,607,614,329,790,936,064
  5. Step 5: Solve for x
    x = 3,607,614,329,790,936,064/1,889,571,002.80
  6. Step 6: Final answer
    x = 1,909,224,011.40

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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.