Home / 310,737,627,694.28-428,813,362,583.46-173,562,455,816.07

Finding the Fourth Proportional to 310,737,627,694.28, 428,813,362,583.46 and 173,562,455,816.07

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Solution

The fourth proportional to 310,737,627,694.28, 428,813,362,583.46 and 173,562,455,816.07 is: 239,513,640,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,737,627,694.28 : 428,813,362,583.46 = 173,562,455,816.07 : x
  2. Step 2: Convert to fraction form
    310,737,627,694.28/428,813,362,583.46 = 173,562,455,816.07/x
  3. Step 3: Cross multiply
    310,737,627,694.28x = 428,813,362,583.46 × 173,562,455,816.07
  4. Step 4: Simplify right side
    310,737,627,694.28x = 74,425,900,296,732,191,752,192
  5. Step 5: Solve for x
    x = 74,425,900,296,732,191,752,192/310,737,627,694.28
  6. Step 6: Final answer
    x = 239,513,640,008.72

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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.