Home / 1,290,604,521,296-1,781,190,415,709-734,544,846,021.54

Finding the Fourth Proportional to 1,290,604,521,296, 1,781,190,415,709 and 734,544,846,021.54

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Solution

The fourth proportional to 1,290,604,521,296, 1,781,190,415,709 and 734,544,846,021.54 is: 1,013,760,774,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,604,521,296 : 1,781,190,415,709 = 734,544,846,021.54 : x
  2. Step 2: Convert to fraction form
    1,290,604,521,296/1,781,190,415,709 = 734,544,846,021.54/x
  3. Step 3: Cross multiply
    1,290,604,521,296x = 1,781,190,415,709 × 734,544,846,021.54
  4. Step 4: Simplify right side
    1,290,604,521,296x = 1,308,364,239,642,010,352,353,280
  5. Step 5: Solve for x
    x = 1,308,364,239,642,010,352,353,280/1,290,604,521,296
  6. Step 6: Final answer
    x = 1,013,760,774,933.73

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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.