Home / 1,909,111,657.85-2,633,081,567.42-1,240,272,201.51

Finding the Fourth Proportional to 1,909,111,657.85, 2,633,081,567.42 and 1,240,272,201.51

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Solution

The fourth proportional to 1,909,111,657.85, 2,633,081,567.42 and 1,240,272,201.51 is: 1,710,606,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,111,657.85 : 2,633,081,567.42 = 1,240,272,201.51 : x
  2. Step 2: Convert to fraction form
    1,909,111,657.85/2,633,081,567.42 = 1,240,272,201.51/x
  3. Step 3: Cross multiply
    1,909,111,657.85x = 2,633,081,567.42 × 1,240,272,201.51
  4. Step 4: Simplify right side
    1,909,111,657.85x = 3,265,737,872,379,404,800
  5. Step 5: Solve for x
    x = 3,265,737,872,379,404,800/1,909,111,657.85
  6. Step 6: Final answer
    x = 1,710,606,008.27

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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.