Home / 1,959,128,487.40-2,703,495,250.02-1,216,556,619.88

Finding the Fourth Proportional to 1,959,128,487.40, 2,703,495,250.02 and 1,216,556,619.88

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Solution

The fourth proportional to 1,959,128,487.40, 2,703,495,250.02 and 1,216,556,619.88 is: 1,678,784,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,128,487.40 : 2,703,495,250.02 = 1,216,556,619.88 : x
  2. Step 2: Convert to fraction form
    1,959,128,487.40/2,703,495,250.02 = 1,216,556,619.88/x
  3. Step 3: Cross multiply
    1,959,128,487.40x = 2,703,495,250.02 × 1,216,556,619.88
  4. Step 4: Simplify right side
    1,959,128,487.40x = 3,288,955,043,225,967,104
  5. Step 5: Solve for x
    x = 3,288,955,043,225,967,104/1,959,128,487.40
  6. Step 6: Final answer
    x = 1,678,784,757.80

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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.