Home / 1,029,072,243.60-1,420,128,665.52-559,173,562.96

Finding the Fourth Proportional to 1,029,072,243.60, 1,420,128,665.52 and 559,173,562.96

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Solution

The fourth proportional to 1,029,072,243.60, 1,420,128,665.52 and 559,173,562.96 is: 771,664,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,072,243.60 : 1,420,128,665.52 = 559,173,562.96 : x
  2. Step 2: Convert to fraction form
    1,029,072,243.60/1,420,128,665.52 = 559,173,562.96/x
  3. Step 3: Cross multiply
    1,029,072,243.60x = 1,420,128,665.52 × 559,173,562.96
  4. Step 4: Simplify right side
    1,029,072,243.60x = 794,098,405,760,448,512
  5. Step 5: Solve for x
    x = 794,098,405,760,448,512/1,029,072,243.60
  6. Step 6: Final answer
    x = 771,664,390.62

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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.