Home / 1,208,016,101.26-1,812,026,253.82-379,033,362.16

Finding the Fourth Proportional to 1,208,016,101.26, 1,812,026,253.82 and 379,033,362.16

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Solution

The fourth proportional to 1,208,016,101.26, 1,812,026,253.82 and 379,033,362.16 is: 568,550,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,016,101.26 : 1,812,026,253.82 = 379,033,362.16 : x
  2. Step 2: Convert to fraction form
    1,208,016,101.26/1,812,026,253.82 = 379,033,362.16/x
  3. Step 3: Cross multiply
    1,208,016,101.26x = 1,812,026,253.82 × 379,033,362.16
  4. Step 4: Simplify right side
    1,208,016,101.26x = 686,818,403,307,584,128
  5. Step 5: Solve for x
    x = 686,818,403,307,584,128/1,208,016,101.26
  6. Step 6: Final answer
    x = 568,550,702.75

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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.