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Finding the Fourth Proportional to 615,699,128.79, 849,654,296.82 and 333,439,282.11

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Solution

The fourth proportional to 615,699,128.79, 849,654,296.82 and 333,439,282.11 is: 460,140,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,699,128.79 : 849,654,296.82 = 333,439,282.11 : x
  2. Step 2: Convert to fraction form
    615,699,128.79/849,654,296.82 = 333,439,282.11/x
  3. Step 3: Cross multiply
    615,699,128.79x = 849,654,296.82 × 333,439,282.11
  4. Step 4: Simplify right side
    615,699,128.79x = 283,308,118,773,337,696
  5. Step 5: Solve for x
    x = 283,308,118,773,337,696/615,699,128.79
  6. Step 6: Final answer
    x = 460,140,522.42

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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.