Home / 855,238,495.17-1,180,229,123.58-464,097,919.17

Finding the Fourth Proportional to 855,238,495.17, 1,180,229,123.58 and 464,097,919.17

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Solution

The fourth proportional to 855,238,495.17, 1,180,229,123.58 and 464,097,919.17 is: 640,455,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,238,495.17 : 1,180,229,123.58 = 464,097,919.17 : x
  2. Step 2: Convert to fraction form
    855,238,495.17/1,180,229,123.58 = 464,097,919.17/x
  3. Step 3: Cross multiply
    855,238,495.17x = 1,180,229,123.58 × 464,097,919.17
  4. Step 4: Simplify right side
    855,238,495.17x = 547,741,880,397,310,784
  5. Step 5: Solve for x
    x = 547,741,880,397,310,784/855,238,495.17
  6. Step 6: Final answer
    x = 640,455,128.59

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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.