Home / 921,244,889,639.65-1,382,055,804,646.60-316,791,594,064.15

Finding the Fourth Proportional to 921,244,889,639.65, 1,382,055,804,646.60 and 316,791,594,064.15

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Solution

The fourth proportional to 921,244,889,639.65, 1,382,055,804,646.60 and 316,791,594,064.15 is: 475,252,200,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,244,889,639.65 : 1,382,055,804,646.60 = 316,791,594,064.15 : x
  2. Step 2: Convert to fraction form
    921,244,889,639.65/1,382,055,804,646.60 = 316,791,594,064.15/x
  3. Step 3: Cross multiply
    921,244,889,639.65x = 1,382,055,804,646.60 × 316,791,594,064.15
  4. Step 4: Simplify right side
    921,244,889,639.65x = 437,823,661,439,607,986,192,384
  5. Step 5: Solve for x
    x = 437,823,661,439,607,986,192,384/921,244,889,639.65
  6. Step 6: Final answer
    x = 475,252,200,976.51

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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.