Home / 755,909,107.20-1,133,863,660.80-210,650,641.20

Finding the Fourth Proportional to 755,909,107.20, 1,133,863,660.80 and 210,650,641.20

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Solution

The fourth proportional to 755,909,107.20, 1,133,863,660.80 and 210,650,641.20 is: 315,975,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,909,107.20 : 1,133,863,660.80 = 210,650,641.20 : x
  2. Step 2: Convert to fraction form
    755,909,107.20/1,133,863,660.80 = 210,650,641.20/x
  3. Step 3: Cross multiply
    755,909,107.20x = 1,133,863,660.80 × 210,650,641.20
  4. Step 4: Simplify right side
    755,909,107.20x = 238,849,107,180,899,296
  5. Step 5: Solve for x
    x = 238,849,107,180,899,296/755,909,107.20
  6. Step 6: Final answer
    x = 315,975,961.80

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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.