Home / 1,380,661,466.29-1,905,300,203.03-754,129,706.29

Finding the Fourth Proportional to 1,380,661,466.29, 1,905,300,203.03 and 754,129,706.29

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Solution

The fourth proportional to 1,380,661,466.29, 1,905,300,203.03 and 754,129,706.29 is: 1,040,692,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,661,466.29 : 1,905,300,203.03 = 754,129,706.29 : x
  2. Step 2: Convert to fraction form
    1,380,661,466.29/1,905,300,203.03 = 754,129,706.29/x
  3. Step 3: Cross multiply
    1,380,661,466.29x = 1,905,300,203.03 × 754,129,706.29
  4. Step 4: Simplify right side
    1,380,661,466.29x = 1,436,843,482,499,547,904
  5. Step 5: Solve for x
    x = 1,436,843,482,499,547,904/1,380,661,466.29
  6. Step 6: Final answer
    x = 1,040,692,101.27

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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.