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Finding the Fourth Proportional to 615,697,455.98, 849,673,529.52 and 337,221,043.40

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Solution

The fourth proportional to 615,697,455.98, 849,673,529.52 and 337,221,043.40 is: 465,371,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,697,455.98 : 849,673,529.52 = 337,221,043.40 : x
  2. Step 2: Convert to fraction form
    615,697,455.98/849,673,529.52 = 337,221,043.40/x
  3. Step 3: Cross multiply
    615,697,455.98x = 849,673,529.52 × 337,221,043.40
  4. Step 4: Simplify right side
    615,697,455.98x = 286,527,794,174,095,072
  5. Step 5: Solve for x
    x = 286,527,794,174,095,072/615,697,455.98
  6. Step 6: Final answer
    x = 465,371,086.71

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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.