Home / 253,798,191,686.53-380,616,519,374.47-83,786,125,552.21

Finding the Fourth Proportional to 253,798,191,686.53, 380,616,519,374.47 and 83,786,125,552.21

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Solution

The fourth proportional to 253,798,191,686.53, 380,616,519,374.47 and 83,786,125,552.21 is: 125,652,524,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,798,191,686.53 : 380,616,519,374.47 = 83,786,125,552.21 : x
  2. Step 2: Convert to fraction form
    253,798,191,686.53/380,616,519,374.47 = 83,786,125,552.21/x
  3. Step 3: Cross multiply
    253,798,191,686.53x = 380,616,519,374.47 × 83,786,125,552.21
  4. Step 4: Simplify right side
    253,798,191,686.53x = 31,890,383,479,554,514,616,320
  5. Step 5: Solve for x
    x = 31,890,383,479,554,514,616,320/253,798,191,686.53
  6. Step 6: Final answer
    x = 125,652,524,423.59

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1.5x scale

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.