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Finding the Fourth Proportional to 647,700,053.16, 893,749,260.84 and 365,426,037.96

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Solution

The fourth proportional to 647,700,053.16, 893,749,260.84 and 365,426,037.96 is: 504,244,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,700,053.16 : 893,749,260.84 = 365,426,037.96 : x
  2. Step 2: Convert to fraction form
    647,700,053.16/893,749,260.84 = 365,426,037.96/x
  3. Step 3: Cross multiply
    647,700,053.16x = 893,749,260.84 × 365,426,037.96
  4. Step 4: Simplify right side
    647,700,053.16x = 326,599,251,318,439,744
  5. Step 5: Solve for x
    x = 326,599,251,318,439,744/647,700,053.16
  6. Step 6: Final answer
    x = 504,244,595.51

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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.