Home / 317,741,735.45-438,472,411.27-174,686,457

Finding the Fourth Proportional to 317,741,735.45, 438,472,411.27 and 174,686,457

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Solution

The fourth proportional to 317,741,735.45, 438,472,411.27 and 174,686,457 is: 241,061,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,741,735.45 : 438,472,411.27 = 174,686,457 : x
  2. Step 2: Convert to fraction form
    317,741,735.45/438,472,411.27 = 174,686,457/x
  3. Step 3: Cross multiply
    317,741,735.45x = 438,472,411.27 × 174,686,457
  4. Step 4: Simplify right side
    317,741,735.45x = 76,595,192,017,003,168
  5. Step 5: Solve for x
    x = 76,595,192,017,003,168/317,741,735.45
  6. Step 6: Final answer
    x = 241,061,162.17

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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.