Home / 18,776,807,926.20-28,168,613,111.70-9,437,051,215.80

Finding the Fourth Proportional to 18,776,807,926.20, 28,168,613,111.70 and 9,437,051,215.80

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Solution

The fourth proportional to 18,776,807,926.20, 28,168,613,111.70 and 9,437,051,215.80 is: 14,157,286,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776,807,926.20 : 28,168,613,111.70 = 9,437,051,215.80 : x
  2. Step 2: Convert to fraction form
    18,776,807,926.20/28,168,613,111.70 = 9,437,051,215.80/x
  3. Step 3: Cross multiply
    18,776,807,926.20x = 28,168,613,111.70 × 9,437,051,215.80
  4. Step 4: Simplify right side
    18,776,807,926.20x = 265,828,644,613,168,300,032
  5. Step 5: Solve for x
    x = 265,828,644,613,168,300,032/18,776,807,926.20
  6. Step 6: Final answer
    x = 14,157,286,246.84

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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.