Home / 427,746,849.57-590,275,379.43-242,103,879.45

Finding the Fourth Proportional to 427,746,849.57, 590,275,379.43 and 242,103,879.45

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Solution

The fourth proportional to 427,746,849.57, 590,275,379.43 and 242,103,879.45 is: 334,094,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,746,849.57 : 590,275,379.43 = 242,103,879.45 : x
  2. Step 2: Convert to fraction form
    427,746,849.57/590,275,379.43 = 242,103,879.45/x
  3. Step 3: Cross multiply
    427,746,849.57x = 590,275,379.43 × 242,103,879.45
  4. Step 4: Simplify right side
    427,746,849.57x = 142,907,959,303,823,712
  5. Step 5: Solve for x
    x = 142,907,959,303,823,712/427,746,849.57
  6. Step 6: Final answer
    x = 334,094,709.17

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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.