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Finding the Fourth Proportional to 615,694,852.81, 849,648,395.54 and 333,435,000.09

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Solution

The fourth proportional to 615,694,852.81, 849,648,395.54 and 333,435,000.09 is: 460,134,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,694,852.81 : 849,648,395.54 = 333,435,000.09 : x
  2. Step 2: Convert to fraction form
    615,694,852.81/849,648,395.54 = 333,435,000.09/x
  3. Step 3: Cross multiply
    615,694,852.81x = 849,648,395.54 × 333,435,000.09
  4. Step 4: Simplify right side
    615,694,852.81x = 283,302,512,840,083,712
  5. Step 5: Solve for x
    x = 283,302,512,840,083,712/615,694,852.81
  6. Step 6: Final answer
    x = 460,134,613.03

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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.