Home / 316,456,020-476,840,392.92-260,208,324

Finding the Fourth Proportional to 316,456,020, 476,840,392.92 and 260,208,324

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Solution

The fourth proportional to 316,456,020, 476,840,392.92 and 260,208,324 is: 392,085,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,456,020 : 476,840,392.92 = 260,208,324 : x
  2. Step 2: Convert to fraction form
    316,456,020/476,840,392.92 = 260,208,324/x
  3. Step 3: Cross multiply
    316,456,020x = 476,840,392.92 × 260,208,324
  4. Step 4: Simplify right side
    316,456,020x = 124,077,839,457,214,672
  5. Step 5: Solve for x
    x = 124,077,839,457,214,672/316,456,020
  6. Step 6: Final answer
    x = 392,085,571.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.