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Finding the Fourth Proportional to 662,673,869.84, 914,492,702.56 and 365,309,579.36

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Solution

The fourth proportional to 662,673,869.84, 914,492,702.56 and 365,309,579.36 is: 504,128,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,673,869.84 : 914,492,702.56 = 365,309,579.36 : x
  2. Step 2: Convert to fraction form
    662,673,869.84/914,492,702.56 = 365,309,579.36/x
  3. Step 3: Cross multiply
    662,673,869.84x = 914,492,702.56 × 365,309,579.36
  4. Step 4: Simplify right side
    662,673,869.84x = 334,072,944,499,983,168
  5. Step 5: Solve for x
    x = 334,072,944,499,983,168/662,673,869.84
  6. Step 6: Final answer
    x = 504,128,742.21

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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.