Home / 28,054,384,973.68-38,715,039,030.54-15,194,025,523.12

Finding the Fourth Proportional to 28,054,384,973.68, 38,715,039,030.54 and 15,194,025,523.12

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Solution

The fourth proportional to 28,054,384,973.68, 38,715,039,030.54 and 15,194,025,523.12 is: 20,967,748,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054,384,973.68 : 38,715,039,030.54 = 15,194,025,523.12 : x
  2. Step 2: Convert to fraction form
    28,054,384,973.68/38,715,039,030.54 = 15,194,025,523.12/x
  3. Step 3: Cross multiply
    28,054,384,973.68x = 38,715,039,030.54 × 15,194,025,523.12
  4. Step 4: Simplify right side
    28,054,384,973.68x = 588,237,291,158,611,755,008
  5. Step 5: Solve for x
    x = 588,237,291,158,611,755,008/28,054,384,973.68
  6. Step 6: Final answer
    x = 20,967,748,596.54

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Double scale
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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.