Home / 921,244,889,640.92-1,382,055,804,648.50-316,791,594,065.40

Finding the Fourth Proportional to 921,244,889,640.92, 1,382,055,804,648.50 and 316,791,594,065.40

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Solution

The fourth proportional to 921,244,889,640.92, 1,382,055,804,648.50 and 316,791,594,065.40 is: 475,252,200,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,244,889,640.92 : 1,382,055,804,648.50 = 316,791,594,065.40 : x
  2. Step 2: Convert to fraction form
    921,244,889,640.92/1,382,055,804,648.50 = 316,791,594,065.40/x
  3. Step 3: Cross multiply
    921,244,889,640.92x = 1,382,055,804,648.50 × 316,791,594,065.40
  4. Step 4: Simplify right side
    921,244,889,640.92x = 437,823,661,441,937,401,970,688
  5. Step 5: Solve for x
    x = 437,823,661,441,937,401,970,688/921,244,889,640.92
  6. Step 6: Final answer
    x = 475,252,200,978.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.