Home / 310,737,627,821.52-428,813,362,758.88-173,562,455,943.44

Finding the Fourth Proportional to 310,737,627,821.52, 428,813,362,758.88 and 173,562,455,943.44

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Solution

The fourth proportional to 310,737,627,821.52, 428,813,362,758.88 and 173,562,455,943.44 is: 239,513,640,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,737,627,821.52 : 428,813,362,758.88 = 173,562,455,943.44 : x
  2. Step 2: Convert to fraction form
    310,737,627,821.52/428,813,362,758.88 = 173,562,455,943.44/x
  3. Step 3: Cross multiply
    310,737,627,821.52x = 428,813,362,758.88 × 173,562,455,943.44
  4. Step 4: Simplify right side
    310,737,627,821.52x = 74,425,900,381,796,468,523,008
  5. Step 5: Solve for x
    x = 74,425,900,381,796,468,523,008/310,737,627,821.52
  6. Step 6: Final answer
    x = 239,513,640,184.40

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1.5x scale

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.