Home / 1,240,205,048.16-1,860,245,732.52-463,793,629.20

Finding the Fourth Proportional to 1,240,205,048.16, 1,860,245,732.52 and 463,793,629.20

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Solution

The fourth proportional to 1,240,205,048.16, 1,860,245,732.52 and 463,793,629.20 is: 695,667,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,205,048.16 : 1,860,245,732.52 = 463,793,629.20 : x
  2. Step 2: Convert to fraction form
    1,240,205,048.16/1,860,245,732.52 = 463,793,629.20/x
  3. Step 3: Cross multiply
    1,240,205,048.16x = 1,860,245,732.52 × 463,793,629.20
  4. Step 4: Simplify right side
    1,240,205,048.16x = 862,770,119,489,263,232
  5. Step 5: Solve for x
    x = 862,770,119,489,263,232/1,240,205,048.16
  6. Step 6: Final answer
    x = 695,667,317.89

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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.