Home / 3,787,386,971.77-5,226,755,435.31-2,116,636,063.75

Finding the Fourth Proportional to 3,787,386,971.77, 5,226,755,435.31 and 2,116,636,063.75

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Solution

The fourth proportional to 3,787,386,971.77, 5,226,755,435.31 and 2,116,636,063.75 is: 2,921,047,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,386,971.77 : 5,226,755,435.31 = 2,116,636,063.75 : x
  2. Step 2: Convert to fraction form
    3,787,386,971.77/5,226,755,435.31 = 2,116,636,063.75/x
  3. Step 3: Cross multiply
    3,787,386,971.77x = 5,226,755,435.31 × 2,116,636,063.75
  4. Step 4: Simplify right side
    3,787,386,971.77x = 11,063,139,050,778,476,544
  5. Step 5: Solve for x
    x = 11,063,139,050,778,476,544/3,787,386,971.77
  6. Step 6: Final answer
    x = 2,921,047,976.68

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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.