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Finding the Fourth Proportional to 615,476,756.92, 849,364,776.54 and 333,225,348.58

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Solution

The fourth proportional to 615,476,756.92, 849,364,776.54 and 333,225,348.58 is: 459,854,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,476,756.92 : 849,364,776.54 = 333,225,348.58 : x
  2. Step 2: Convert to fraction form
    615,476,756.92/849,364,776.54 = 333,225,348.58/x
  3. Step 3: Cross multiply
    615,476,756.92x = 849,364,776.54 × 333,225,348.58
  4. Step 4: Simplify right side
    615,476,756.92x = 283,029,873,731,991,872
  5. Step 5: Solve for x
    x = 283,029,873,731,991,872/615,476,756.92
  6. Step 6: Final answer
    x = 459,854,690.78

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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.