Home / 899,652,732.96-1,349,663,155.20-309,366,309.48

Finding the Fourth Proportional to 899,652,732.96, 1,349,663,155.20 and 309,366,309.48

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Solution

The fourth proportional to 899,652,732.96, 1,349,663,155.20 and 309,366,309.48 is: 464,112,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,652,732.96 : 1,349,663,155.20 = 309,366,309.48 : x
  2. Step 2: Convert to fraction form
    899,652,732.96/1,349,663,155.20 = 309,366,309.48/x
  3. Step 3: Cross multiply
    899,652,732.96x = 1,349,663,155.20 × 309,366,309.48
  4. Step 4: Simplify right side
    899,652,732.96x = 417,540,309,365,356,480
  5. Step 5: Solve for x
    x = 417,540,309,365,356,480/899,652,732.96
  6. Step 6: Final answer
    x = 464,112,756.03

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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.