Home / 13,524,531,352.13-18,656,099,009.62-8,435,059,337.08

Finding the Fourth Proportional to 13,524,531,352.13, 18,656,099,009.62 and 8,435,059,337.08

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Solution

The fourth proportional to 13,524,531,352.13, 18,656,099,009.62 and 8,435,059,337.08 is: 11,635,545,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524,531,352.13 : 18,656,099,009.62 = 8,435,059,337.08 : x
  2. Step 2: Convert to fraction form
    13,524,531,352.13/18,656,099,009.62 = 8,435,059,337.08/x
  3. Step 3: Cross multiply
    13,524,531,352.13x = 18,656,099,009.62 × 8,435,059,337.08
  4. Step 4: Simplify right side
    13,524,531,352.13x = 157,365,302,144,490,831,872
  5. Step 5: Solve for x
    x = 157,365,302,144,490,831,872/13,524,531,352.13
  6. Step 6: Final answer
    x = 11,635,545,664.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.