Home / 921,244,889,637.40-1,382,055,804,643.20-316,791,594,061.90

Finding the Fourth Proportional to 921,244,889,637.40, 1,382,055,804,643.20 and 316,791,594,061.90

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Solution

The fourth proportional to 921,244,889,637.40, 1,382,055,804,643.20 and 316,791,594,061.90 is: 475,252,200,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,244,889,637.40 : 1,382,055,804,643.20 = 316,791,594,061.90 : x
  2. Step 2: Convert to fraction form
    921,244,889,637.40/1,382,055,804,643.20 = 316,791,594,061.90/x
  3. Step 3: Cross multiply
    921,244,889,637.40x = 1,382,055,804,643.20 × 316,791,594,061.90
  4. Step 4: Simplify right side
    921,244,889,637.40x = 437,823,661,435,421,198,385,152
  5. Step 5: Solve for x
    x = 437,823,661,435,421,198,385,152/921,244,889,637.40
  6. Step 6: Final answer
    x = 475,252,200,973.13

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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.