Home / 522,066,293.19-720,437,107.65-287,117,039.03

Finding the Fourth Proportional to 522,066,293.19, 720,437,107.65 and 287,117,039.03

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Solution

The fourth proportional to 522,066,293.19, 720,437,107.65 and 287,117,039.03 is: 396,213,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,066,293.19 : 720,437,107.65 = 287,117,039.03 : x
  2. Step 2: Convert to fraction form
    522,066,293.19/720,437,107.65 = 287,117,039.03/x
  3. Step 3: Cross multiply
    522,066,293.19x = 720,437,107.65 × 287,117,039.03
  4. Step 4: Simplify right side
    522,066,293.19x = 206,849,769,152,203,168
  5. Step 5: Solve for x
    x = 206,849,769,152,203,168/522,066,293.19
  6. Step 6: Final answer
    x = 396,213,607.07

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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.