Home / 1,761,361,603.40-2,642,042,405.10-534,528,086.60

Finding the Fourth Proportional to 1,761,361,603.40, 2,642,042,405.10 and 534,528,086.60

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Solution

The fourth proportional to 1,761,361,603.40, 2,642,042,405.10 and 534,528,086.60 is: 801,792,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,361,603.40 : 2,642,042,405.10 = 534,528,086.60 : x
  2. Step 2: Convert to fraction form
    1,761,361,603.40/2,642,042,405.10 = 534,528,086.60/x
  3. Step 3: Cross multiply
    1,761,361,603.40x = 2,642,042,405.10 × 534,528,086.60
  4. Step 4: Simplify right side
    1,761,361,603.40x = 1,412,245,871,514,164,992
  5. Step 5: Solve for x
    x = 1,412,245,871,514,164,992/1,761,361,603.40
  6. Step 6: Final answer
    x = 801,792,129.90

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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.