Home / 20,299,072,092.31-28,010,447,567.49-11,267,210,873.82

Finding the Fourth Proportional to 20,299,072,092.31, 28,010,447,567.49 and 11,267,210,873.82

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Solution

The fourth proportional to 20,299,072,092.31, 28,010,447,567.49 and 11,267,210,873.82 is: 15,547,489,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299,072,092.31 : 28,010,447,567.49 = 11,267,210,873.82 : x
  2. Step 2: Convert to fraction form
    20,299,072,092.31/28,010,447,567.49 = 11,267,210,873.82/x
  3. Step 3: Cross multiply
    20,299,072,092.31x = 28,010,447,567.49 × 11,267,210,873.82
  4. Step 4: Simplify right side
    20,299,072,092.31x = 315,599,619,412,988,329,984
  5. Step 5: Solve for x
    x = 315,599,619,412,988,329,984/20,299,072,092.31
  6. Step 6: Final answer
    x = 15,547,489,953.13

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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.