Home / 11,538,580,312.51-15,923,738,479.07-6,388,627,742.66

Finding the Fourth Proportional to 11,538,580,312.51, 15,923,738,479.07 and 6,388,627,742.66

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Solution

The fourth proportional to 11,538,580,312.51, 15,923,738,479.07 and 6,388,627,742.66 is: 8,816,581,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538,580,312.51 : 15,923,738,479.07 = 6,388,627,742.66 : x
  2. Step 2: Convert to fraction form
    11,538,580,312.51/15,923,738,479.07 = 6,388,627,742.66/x
  3. Step 3: Cross multiply
    11,538,580,312.51x = 15,923,738,479.07 × 6,388,627,742.66
  4. Step 4: Simplify right side
    11,538,580,312.51x = 101,730,837,414,163,152,896
  5. Step 5: Solve for x
    x = 101,730,837,414,163,152,896/11,538,580,312.51
  6. Step 6: Final answer
    x = 8,816,581,820.20

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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.