Home / 947,782,141.76-1,421,867,115.02-325,916,609.61

Finding the Fourth Proportional to 947,782,141.76, 1,421,867,115.02 and 325,916,609.61

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Solution

The fourth proportional to 947,782,141.76, 1,421,867,115.02 and 325,916,609.61 is: 488,941,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,782,141.76 : 1,421,867,115.02 = 325,916,609.61 : x
  2. Step 2: Convert to fraction form
    947,782,141.76/1,421,867,115.02 = 325,916,609.61/x
  3. Step 3: Cross multiply
    947,782,141.76x = 1,421,867,115.02 × 325,916,609.61
  4. Step 4: Simplify right side
    947,782,141.76x = 463,410,109,443,270,336
  5. Step 5: Solve for x
    x = 463,410,109,443,270,336/947,782,141.76
  6. Step 6: Final answer
    x = 488,941,592.19

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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.