Home / 389,577,375,390.04-537,616,766,388.80-215,962,074,902.82

Finding the Fourth Proportional to 389,577,375,390.04, 537,616,766,388.80 and 215,962,074,902.82

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Solution

The fourth proportional to 389,577,375,390.04, 537,616,766,388.80 and 215,962,074,902.82 is: 298,027,656,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,577,375,390.04 : 537,616,766,388.80 = 215,962,074,902.82 : x
  2. Step 2: Convert to fraction form
    389,577,375,390.04/537,616,766,388.80 = 215,962,074,902.82/x
  3. Step 3: Cross multiply
    389,577,375,390.04x = 537,616,766,388.80 × 215,962,074,902.82
  4. Step 4: Simplify right side
    389,577,375,390.04x = 116,104,832,371,869,907,681,280
  5. Step 5: Solve for x
    x = 116,104,832,371,869,907,681,280/389,577,375,390.04
  6. Step 6: Final answer
    x = 298,027,656,908.02

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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.