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Finding the Fourth Proportional to 615,798,342.29, 849,794,947.02 and 333,533,760.77

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Solution

The fourth proportional to 615,798,342.29, 849,794,947.02 and 333,533,760.77 is: 460,272,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,798,342.29 : 849,794,947.02 = 333,533,760.77 : x
  2. Step 2: Convert to fraction form
    615,798,342.29/849,794,947.02 = 333,533,760.77/x
  3. Step 3: Cross multiply
    615,798,342.29x = 849,794,947.02 × 333,533,760.77
  4. Step 4: Simplify right side
    615,798,342.29x = 283,435,304,559,321,568
  5. Step 5: Solve for x
    x = 283,435,304,559,321,568/615,798,342.29
  6. Step 6: Final answer
    x = 460,272,925.56

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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.