Home / 11,515,284,006.40-17,272,926,009.60-9,423,213,365.80

Finding the Fourth Proportional to 11,515,284,006.40, 17,272,926,009.60 and 9,423,213,365.80

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Solution

The fourth proportional to 11,515,284,006.40, 17,272,926,009.60 and 9,423,213,365.80 is: 14,134,820,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515,284,006.40 : 17,272,926,009.60 = 9,423,213,365.80 : x
  2. Step 2: Convert to fraction form
    11,515,284,006.40/17,272,926,009.60 = 9,423,213,365.80/x
  3. Step 3: Cross multiply
    11,515,284,006.40x = 17,272,926,009.60 × 9,423,213,365.80
  4. Step 4: Simplify right side
    11,515,284,006.40x = 162,766,467,240,137,162,752
  5. Step 5: Solve for x
    x = 162,766,467,240,137,162,752/11,515,284,006.40
  6. Step 6: Final answer
    x = 14,134,820,048.70

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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.