Home / 1,036,253,702.47-1,555,079,947.53-405,907,573.23

Finding the Fourth Proportional to 1,036,253,702.47, 1,555,079,947.53 and 405,907,573.23

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Solution

The fourth proportional to 1,036,253,702.47, 1,555,079,947.53 and 405,907,573.23 is: 609,135,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,702.47 : 1,555,079,947.53 = 405,907,573.23 : x
  2. Step 2: Convert to fraction form
    1,036,253,702.47/1,555,079,947.53 = 405,907,573.23/x
  3. Step 3: Cross multiply
    1,036,253,702.47x = 1,555,079,947.53 × 405,907,573.23
  4. Step 4: Simplify right side
    1,036,253,702.47x = 631,218,727,680,538,112
  5. Step 5: Solve for x
    x = 631,218,727,680,538,112/1,036,253,702.47
  6. Step 6: Final answer
    x = 609,135,317.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.