Home / 576,518,280,121.45-864,921,458,373.85-406,869,111,917.28

Finding the Fourth Proportional to 576,518,280,121.45, 864,921,458,373.85 and 406,869,111,917.28

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Solution

The fourth proportional to 576,518,280,121.45, 864,921,458,373.85 and 406,869,111,917.28 is: 610,405,320,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,518,280,121.45 : 864,921,458,373.85 = 406,869,111,917.28 : x
  2. Step 2: Convert to fraction form
    576,518,280,121.45/864,921,458,373.85 = 406,869,111,917.28/x
  3. Step 3: Cross multiply
    576,518,280,121.45x = 864,921,458,373.85 × 406,869,111,917.28
  4. Step 4: Simplify right side
    576,518,280,121.45x = 351,909,825,646,766,992,654,336
  5. Step 5: Solve for x
    x = 351,909,825,646,766,992,654,336/576,518,280,121.45
  6. Step 6: Final answer
    x = 610,405,320,665.00

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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.