Home / 947,783,200.46-1,421,868,700.53-325,917,670.38

Finding the Fourth Proportional to 947,783,200.46, 1,421,868,700.53 and 325,917,670.38

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Solution

The fourth proportional to 947,783,200.46, 1,421,868,700.53 and 325,917,670.38 is: 488,943,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,783,200.46 : 1,421,868,700.53 = 325,917,670.38 : x
  2. Step 2: Convert to fraction form
    947,783,200.46/1,421,868,700.53 = 325,917,670.38/x
  3. Step 3: Cross multiply
    947,783,200.46x = 1,421,868,700.53 × 325,917,670.38
  4. Step 4: Simplify right side
    947,783,200.46x = 463,412,134,461,345,920
  5. Step 5: Solve for x
    x = 463,412,134,461,345,920/947,783,200.46
  6. Step 6: Final answer
    x = 488,943,182.62

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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.