Home / 921,244,889,640.65-1,382,055,804,648.10-316,791,594,065.15

Finding the Fourth Proportional to 921,244,889,640.65, 1,382,055,804,648.10 and 316,791,594,065.15

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Solution

The fourth proportional to 921,244,889,640.65, 1,382,055,804,648.10 and 316,791,594,065.15 is: 475,252,200,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,244,889,640.65 : 1,382,055,804,648.10 = 316,791,594,065.15 : x
  2. Step 2: Convert to fraction form
    921,244,889,640.65/1,382,055,804,648.10 = 316,791,594,065.15/x
  3. Step 3: Cross multiply
    921,244,889,640.65x = 1,382,055,804,648.10 × 316,791,594,065.15
  4. Step 4: Simplify right side
    921,244,889,640.65x = 437,823,661,441,465,224,003,584
  5. Step 5: Solve for x
    x = 437,823,661,441,465,224,003,584/921,244,889,640.65
  6. Step 6: Final answer
    x = 475,252,200,978.01

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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.