Home / 1,393,976,702.81-1,923,614,828.06-767,322,733.25

Finding the Fourth Proportional to 1,393,976,702.81, 1,923,614,828.06 and 767,322,733.25

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Solution

The fourth proportional to 1,393,976,702.81, 1,923,614,828.06 and 767,322,733.25 is: 1,058,865,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,976,702.81 : 1,923,614,828.06 = 767,322,733.25 : x
  2. Step 2: Convert to fraction form
    1,393,976,702.81/1,923,614,828.06 = 767,322,733.25/x
  3. Step 3: Cross multiply
    1,393,976,702.81x = 1,923,614,828.06 × 767,322,733.25
  4. Step 4: Simplify right side
    1,393,976,702.81x = 1,476,033,387,573,773,312
  5. Step 5: Solve for x
    x = 1,476,033,387,573,773,312/1,393,976,702.81
  6. Step 6: Final answer
    x = 1,058,865,176.59

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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.