Home / 13,903,536,700.90-20,855,305,051.35-12,978,404,208.10

Finding the Fourth Proportional to 13,903,536,700.90, 20,855,305,051.35 and 12,978,404,208.10

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Solution

The fourth proportional to 13,903,536,700.90, 20,855,305,051.35 and 12,978,404,208.10 is: 19,467,606,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903,536,700.90 : 20,855,305,051.35 = 12,978,404,208.10 : x
  2. Step 2: Convert to fraction form
    13,903,536,700.90/20,855,305,051.35 = 12,978,404,208.10/x
  3. Step 3: Cross multiply
    13,903,536,700.90x = 20,855,305,051.35 × 12,978,404,208.10
  4. Step 4: Simplify right side
    13,903,536,700.90x = 270,668,578,839,650,009,088
  5. Step 5: Solve for x
    x = 270,668,578,839,650,009,088/13,903,536,700.90
  6. Step 6: Final answer
    x = 19,467,606,312.15

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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.