Home / 18,749,898,872.21-25,874,886,066.67-10,176,325,643.71

Finding the Fourth Proportional to 18,749,898,872.21, 25,874,886,066.67 and 10,176,325,643.71

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Solution

The fourth proportional to 18,749,898,872.21, 25,874,886,066.67 and 10,176,325,643.71 is: 14,043,343,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749,898,872.21 : 25,874,886,066.67 = 10,176,325,643.71 : x
  2. Step 2: Convert to fraction form
    18,749,898,872.21/25,874,886,066.67 = 10,176,325,643.71/x
  3. Step 3: Cross multiply
    18,749,898,872.21x = 25,874,886,066.67 × 10,176,325,643.71
  4. Step 4: Simplify right side
    18,749,898,872.21x = 263,311,266,608,246,226,944
  5. Step 5: Solve for x
    x = 263,311,266,608,246,226,944/18,749,898,872.21
  6. Step 6: Final answer
    x = 14,043,343,294.96

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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.