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Finding the Fourth Proportional to 551,844,894.40, 827,064,002.40 and 293,184,030.40

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Solution

The fourth proportional to 551,844,894.40, 827,064,002.40 and 293,184,030.40 is: 439,402,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,844,894.40 : 827,064,002.40 = 293,184,030.40 : x
  2. Step 2: Convert to fraction form
    551,844,894.40/827,064,002.40 = 293,184,030.40/x
  3. Step 3: Cross multiply
    551,844,894.40x = 827,064,002.40 × 293,184,030.40
  4. Step 4: Simplify right side
    551,844,894.40x = 242,481,957,622,387,232
  5. Step 5: Solve for x
    x = 242,481,957,622,387,232/551,844,894.40
  6. Step 6: Final answer
    x = 439,402,375.71

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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.