Home / 7,876,590,020.43-11,814,905,042.73-3,218,463,984.72

Finding the Fourth Proportional to 7,876,590,020.43, 11,814,905,042.73 and 3,218,463,984.72

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Solution

The fourth proportional to 7,876,590,020.43, 11,814,905,042.73 and 3,218,463,984.72 is: 4,827,704,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,590,020.43 : 11,814,905,042.73 = 3,218,463,984.72 : x
  2. Step 2: Convert to fraction form
    7,876,590,020.43/11,814,905,042.73 = 3,218,463,984.72/x
  3. Step 3: Cross multiply
    7,876,590,020.43x = 11,814,905,042.73 × 3,218,463,984.72
  4. Step 4: Simplify right side
    7,876,590,020.43x = 38,025,846,362,913,210,368
  5. Step 5: Solve for x
    x = 38,025,846,362,913,210,368/7,876,590,020.43
  6. Step 6: Final answer
    x = 4,827,704,154.24

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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.