Home / 19,315,584,111.40-28,973,376,167.10-13,407,660,802.60

Finding the Fourth Proportional to 19,315,584,111.40, 28,973,376,167.10 and 13,407,660,802.60

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Solution

The fourth proportional to 19,315,584,111.40, 28,973,376,167.10 and 13,407,660,802.60 is: 20,111,491,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,111.40 : 28,973,376,167.10 = 13,407,660,802.60 : x
  2. Step 2: Convert to fraction form
    19,315,584,111.40/28,973,376,167.10 = 13,407,660,802.60/x
  3. Step 3: Cross multiply
    19,315,584,111.40x = 28,973,376,167.10 × 13,407,660,802.60
  4. Step 4: Simplify right side
    19,315,584,111.40x = 388,465,199,954,611,666,944
  5. Step 5: Solve for x
    x = 388,465,199,954,611,666,944/19,315,584,111.40
  6. Step 6: Final answer
    x = 20,111,491,203.90

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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.