Home / 8,628,531,932.72-11,915,597,802.84-8,158,455,014.96

Finding the Fourth Proportional to 8,628,531,932.72, 11,915,597,802.84 and 8,158,455,014.96

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Solution

The fourth proportional to 8,628,531,932.72, 11,915,597,802.84 and 8,158,455,014.96 is: 11,266,443,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628,531,932.72 : 11,915,597,802.84 = 8,158,455,014.96 : x
  2. Step 2: Convert to fraction form
    8,628,531,932.72/11,915,597,802.84 = 8,158,455,014.96/x
  3. Step 3: Cross multiply
    8,628,531,932.72x = 11,915,597,802.84 × 8,158,455,014.96
  4. Step 4: Simplify right side
    8,628,531,932.72x = 97,212,868,650,826,350,592
  5. Step 5: Solve for x
    x = 97,212,868,650,826,350,592/8,628,531,932.72
  6. Step 6: Final answer
    x = 11,266,443,632.45

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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.