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Finding the Fourth Proportional to 615,649,016.65, 849,596,462.49 and 333,391,944.55

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Solution

The fourth proportional to 615,649,016.65, 849,596,462.49 and 333,391,944.55 is: 460,081,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,649,016.65 : 849,596,462.49 = 333,391,944.55 : x
  2. Step 2: Convert to fraction form
    615,649,016.65/849,596,462.49 = 333,391,944.55/x
  3. Step 3: Cross multiply
    615,649,016.65x = 849,596,462.49 × 333,391,944.55
  4. Step 4: Simplify right side
    615,649,016.65x = 283,248,616,712,342,240
  5. Step 5: Solve for x
    x = 283,248,616,712,342,240/615,649,016.65
  6. Step 6: Final answer
    x = 460,081,327.27

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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.