Home / 20,299,072,091.31-28,010,447,566.11-11,267,210,872.82

Finding the Fourth Proportional to 20,299,072,091.31, 28,010,447,566.11 and 11,267,210,872.82

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Solution

The fourth proportional to 20,299,072,091.31, 28,010,447,566.11 and 11,267,210,872.82 is: 15,547,489,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299,072,091.31 : 28,010,447,566.11 = 11,267,210,872.82 : x
  2. Step 2: Convert to fraction form
    20,299,072,091.31/28,010,447,566.11 = 11,267,210,872.82/x
  3. Step 3: Cross multiply
    20,299,072,091.31x = 28,010,447,566.11 × 11,267,210,872.82
  4. Step 4: Simplify right side
    20,299,072,091.31x = 315,599,619,369,513,123,840
  5. Step 5: Solve for x
    x = 315,599,619,369,513,123,840/20,299,072,091.31
  6. Step 6: Final answer
    x = 15,547,489,951.75

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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.