Home / 615,533,905.75-923,357,618.07-201,012,899.47

Finding the Fourth Proportional to 615,533,905.75, 923,357,618.07 and 201,012,899.47

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Solution

The fourth proportional to 615,533,905.75, 923,357,618.07 and 201,012,899.47 is: 301,537,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,533,905.75 : 923,357,618.07 = 201,012,899.47 : x
  2. Step 2: Convert to fraction form
    615,533,905.75/923,357,618.07 = 201,012,899.47/x
  3. Step 3: Cross multiply
    615,533,905.75x = 923,357,618.07 × 201,012,899.47
  4. Step 4: Simplify right side
    615,533,905.75x = 185,606,792,058,099,872
  5. Step 5: Solve for x
    x = 185,606,792,058,099,872/615,533,905.75
  6. Step 6: Final answer
    x = 301,537,884.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.