Home / 11,418,488,059.35-17,128,557,590.28-4,779,440,109.21

Finding the Fourth Proportional to 11,418,488,059.35, 17,128,557,590.28 and 4,779,440,109.21

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Solution

The fourth proportional to 11,418,488,059.35, 17,128,557,590.28 and 4,779,440,109.21 is: 7,169,505,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418,488,059.35 : 17,128,557,590.28 = 4,779,440,109.21 : x
  2. Step 2: Convert to fraction form
    11,418,488,059.35/17,128,557,590.28 = 4,779,440,109.21/x
  3. Step 3: Cross multiply
    11,418,488,059.35x = 17,128,557,590.28 × 4,779,440,109.21
  4. Step 4: Simplify right side
    11,418,488,059.35x = 81,864,915,159,897,620,480
  5. Step 5: Solve for x
    x = 81,864,915,159,897,620,480/11,418,488,059.35
  6. Step 6: Final answer
    x = 7,169,505,694.13

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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.