Home / 13,890,833,659.56-19,169,524,791.77-7,547,307,427.80

Finding the Fourth Proportional to 13,890,833,659.56, 19,169,524,791.77 and 7,547,307,427.80

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Solution

The fourth proportional to 13,890,833,659.56, 19,169,524,791.77 and 7,547,307,427.80 is: 10,415,378,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,833,659.56 : 19,169,524,791.77 = 7,547,307,427.80 : x
  2. Step 2: Convert to fraction form
    13,890,833,659.56/19,169,524,791.77 = 7,547,307,427.80/x
  3. Step 3: Cross multiply
    13,890,833,659.56x = 19,169,524,791.77 × 7,547,307,427.80
  4. Step 4: Simplify right side
    13,890,833,659.56x = 144,678,296,848,306,634,752
  5. Step 5: Solve for x
    x = 144,678,296,848,306,634,752/13,890,833,659.56
  6. Step 6: Final answer
    x = 10,415,378,975.38

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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.