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Finding the Fourth Proportional to 626,644,894.64, 864,790,688.04 and 344,397,339.98

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Solution

The fourth proportional to 626,644,894.64, 864,790,688.04 and 344,397,339.98 is: 475,279,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,644,894.64 : 864,790,688.04 = 344,397,339.98 : x
  2. Step 2: Convert to fraction form
    626,644,894.64/864,790,688.04 = 344,397,339.98/x
  3. Step 3: Cross multiply
    626,644,894.64x = 864,790,688.04 × 344,397,339.98
  4. Step 4: Simplify right side
    626,644,894.64x = 297,831,612,598,077,504
  5. Step 5: Solve for x
    x = 297,831,612,598,077,504/626,644,894.64
  6. Step 6: Final answer
    x = 475,279,724.05

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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.