Home / 484,518,804.24-668,638,665.72-275,674,942.56

Finding the Fourth Proportional to 484,518,804.24, 668,638,665.72 and 275,674,942.56

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Solution

The fourth proportional to 484,518,804.24, 668,638,665.72 and 275,674,942.56 is: 380,432,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,518,804.24 : 668,638,665.72 = 275,674,942.56 : x
  2. Step 2: Convert to fraction form
    484,518,804.24/668,638,665.72 = 275,674,942.56/x
  3. Step 3: Cross multiply
    484,518,804.24x = 668,638,665.72 × 275,674,942.56
  4. Step 4: Simplify right side
    484,518,804.24x = 184,326,925,765,756,064
  5. Step 5: Solve for x
    x = 184,326,925,765,756,064/484,518,804.24
  6. Step 6: Final answer
    x = 380,432,965.97

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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.