Home / 1,939,911,372.82-2,677,078,768.66-1,047,838,095.28

Finding the Fourth Proportional to 1,939,911,372.82, 2,677,078,768.66 and 1,047,838,095.28

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Solution

The fourth proportional to 1,939,911,372.82, 2,677,078,768.66 and 1,047,838,095.28 is: 1,446,017,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,911,372.82 : 2,677,078,768.66 = 1,047,838,095.28 : x
  2. Step 2: Convert to fraction form
    1,939,911,372.82/2,677,078,768.66 = 1,047,838,095.28/x
  3. Step 3: Cross multiply
    1,939,911,372.82x = 2,677,078,768.66 × 1,047,838,095.28
  4. Step 4: Simplify right side
    1,939,911,372.82x = 2,805,145,117,867,222,016
  5. Step 5: Solve for x
    x = 2,805,145,117,867,222,016/1,939,911,372.82
  6. Step 6: Final answer
    x = 1,446,017,151.70

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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.