Home / 19,315,584,111.90-28,973,376,167.85-13,407,660,803.10

Finding the Fourth Proportional to 19,315,584,111.90, 28,973,376,167.85 and 13,407,660,803.10

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Solution

The fourth proportional to 19,315,584,111.90, 28,973,376,167.85 and 13,407,660,803.10 is: 20,111,491,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,111.90 : 28,973,376,167.85 = 13,407,660,803.10 : x
  2. Step 2: Convert to fraction form
    19,315,584,111.90/28,973,376,167.85 = 13,407,660,803.10/x
  3. Step 3: Cross multiply
    19,315,584,111.90x = 28,973,376,167.85 × 13,407,660,803.10
  4. Step 4: Simplify right side
    19,315,584,111.90x = 388,465,199,979,154,112,512
  5. Step 5: Solve for x
    x = 388,465,199,979,154,112,512/19,315,584,111.90
  6. Step 6: Final answer
    x = 20,111,491,204.65

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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.