Home / 1,455,828,003.70-2,183,742,005.55-639,534,627.70

Finding the Fourth Proportional to 1,455,828,003.70, 2,183,742,005.55 and 639,534,627.70

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Solution

The fourth proportional to 1,455,828,003.70, 2,183,742,005.55 and 639,534,627.70 is: 959,301,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,828,003.70 : 2,183,742,005.55 = 639,534,627.70 : x
  2. Step 2: Convert to fraction form
    1,455,828,003.70/2,183,742,005.55 = 639,534,627.70/x
  3. Step 3: Cross multiply
    1,455,828,003.70x = 2,183,742,005.55 × 639,534,627.70
  4. Step 4: Simplify right side
    1,455,828,003.70x = 1,396,578,630,512,270,848
  5. Step 5: Solve for x
    x = 1,396,578,630,512,270,848/1,455,828,003.70
  6. Step 6: Final answer
    x = 959,301,941.55

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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.