Home / 1,889,571,619.80-2,834,357,429.70-1,272,816,624.60

Finding the Fourth Proportional to 1,889,571,619.80, 2,834,357,429.70 and 1,272,816,624.60

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Solution

The fourth proportional to 1,889,571,619.80, 2,834,357,429.70 and 1,272,816,624.60 is: 1,909,224,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,571,619.80 : 2,834,357,429.70 = 1,272,816,624.60 : x
  2. Step 2: Convert to fraction form
    1,889,571,619.80/2,834,357,429.70 = 1,272,816,624.60/x
  3. Step 3: Cross multiply
    1,889,571,619.80x = 2,834,357,429.70 × 1,272,816,624.60
  4. Step 4: Simplify right side
    1,889,571,619.80x = 3,607,617,256,580,685,312
  5. Step 5: Solve for x
    x = 3,607,617,256,580,685,312/1,889,571,619.80
  6. Step 6: Final answer
    x = 1,909,224,936.90

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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.