Home / 3,895,894,976.65-5,376,191,030.64-2,111,710,121.66

Finding the Fourth Proportional to 3,895,894,976.65, 5,376,191,030.64 and 2,111,710,121.66

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Solution

The fourth proportional to 3,895,894,976.65, 5,376,191,030.64 and 2,111,710,121.66 is: 2,914,081,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,894,976.65 : 5,376,191,030.64 = 2,111,710,121.66 : x
  2. Step 2: Convert to fraction form
    3,895,894,976.65/5,376,191,030.64 = 2,111,710,121.66/x
  3. Step 3: Cross multiply
    3,895,894,976.65x = 5,376,191,030.64 × 2,111,710,121.66
  4. Step 4: Simplify right side
    3,895,894,976.65x = 11,352,957,015,393,636,352
  5. Step 5: Solve for x
    x = 11,352,957,015,393,636,352/3,895,894,976.65
  6. Step 6: Final answer
    x = 2,914,081,894.78

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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.