Home / 556,675,941.66-768,167,062.32-305,767,366.62

Finding the Fourth Proportional to 556,675,941.66, 768,167,062.32 and 305,767,366.62

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Solution

The fourth proportional to 556,675,941.66, 768,167,062.32 and 305,767,366.62 is: 421,933,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,675,941.66 : 768,167,062.32 = 305,767,366.62 : x
  2. Step 2: Convert to fraction form
    556,675,941.66/768,167,062.32 = 305,767,366.62/x
  3. Step 3: Cross multiply
    556,675,941.66x = 768,167,062.32 × 305,767,366.62
  4. Step 4: Simplify right side
    556,675,941.66x = 234,880,419,769,807,840
  5. Step 5: Solve for x
    x = 234,880,419,769,807,840/556,675,941.66
  6. Step 6: Final answer
    x = 421,933,843.72

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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.