Home / 1,056,127,013.60-1,584,119,661.60-279,756,010.40

Finding the Fourth Proportional to 1,056,127,013.60, 1,584,119,661.60 and 279,756,010.40

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Solution

The fourth proportional to 1,056,127,013.60, 1,584,119,661.60 and 279,756,010.40 is: 419,615,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,127,013.60 : 1,584,119,661.60 = 279,756,010.40 : x
  2. Step 2: Convert to fraction form
    1,056,127,013.60/1,584,119,661.60 = 279,756,010.40/x
  3. Step 3: Cross multiply
    1,056,127,013.60x = 1,584,119,661.60 × 279,756,010.40
  4. Step 4: Simplify right side
    1,056,127,013.60x = 443,166,996,525,414,016
  5. Step 5: Solve for x
    x = 443,166,996,525,414,016/1,056,127,013.60
  6. Step 6: Final answer
    x = 419,615,245.91

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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.