Home / 13,115,774,065.36-19,673,645,678.88-4,272,598,449.76

Finding the Fourth Proportional to 13,115,774,065.36, 19,673,645,678.88 and 4,272,598,449.76

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Solution

The fourth proportional to 13,115,774,065.36, 19,673,645,678.88 and 4,272,598,449.76 is: 6,408,892,651.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,774,065.36 : 19,673,645,678.88 = 4,272,598,449.76 : x
  2. Step 2: Convert to fraction form
    13,115,774,065.36/19,673,645,678.88 = 4,272,598,449.76/x
  3. Step 3: Cross multiply
    13,115,774,065.36x = 19,673,645,678.88 × 4,272,598,449.76
  4. Step 4: Simplify right side
    13,115,774,065.36x = 84,057,588,028,710,223,872
  5. Step 5: Solve for x
    x = 84,057,588,028,710,223,872/13,115,774,065.36
  6. Step 6: Final answer
    x = 6,408,892,651.69

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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.