Home / 21,418,986,215.80-32,128,479,323.70-19,092,550,094.20

Finding the Fourth Proportional to 21,418,986,215.80, 32,128,479,323.70 and 19,092,550,094.20

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Solution

The fourth proportional to 21,418,986,215.80, 32,128,479,323.70 and 19,092,550,094.20 is: 28,638,825,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418,986,215.80 : 32,128,479,323.70 = 19,092,550,094.20 : x
  2. Step 2: Convert to fraction form
    21,418,986,215.80/32,128,479,323.70 = 19,092,550,094.20/x
  3. Step 3: Cross multiply
    21,418,986,215.80x = 32,128,479,323.70 × 19,092,550,094.20
  4. Step 4: Simplify right side
    21,418,986,215.80x = 613,414,600,938,211,246,080
  5. Step 5: Solve for x
    x = 613,414,600,938,211,246,080/21,418,986,215.80
  6. Step 6: Final answer
    x = 28,638,825,141.30

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1.5x scale

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.