Home / 13,981,404,562.70-19,298,936,339.80-11,128,779,390.38

Finding the Fourth Proportional to 13,981,404,562.70, 19,298,936,339.80 and 11,128,779,390.38

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Solution

The fourth proportional to 13,981,404,562.70, 19,298,936,339.80 and 11,128,779,390.38 is: 15,361,375,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,404,562.70 : 19,298,936,339.80 = 11,128,779,390.38 : x
  2. Step 2: Convert to fraction form
    13,981,404,562.70/19,298,936,339.80 = 11,128,779,390.38/x
  3. Step 3: Cross multiply
    13,981,404,562.70x = 19,298,936,339.80 × 11,128,779,390.38
  4. Step 4: Simplify right side
    13,981,404,562.70x = 214,773,604,994,503,114,752
  5. Step 5: Solve for x
    x = 214,773,604,994,503,114,752/13,981,404,562.70
  6. Step 6: Final answer
    x = 15,361,375,463.49

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1.5x scale

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.