Home / 787,321,372.10-1,180,982,058.15-241,992,047.30

Finding the Fourth Proportional to 787,321,372.10, 1,180,982,058.15 and 241,992,047.30

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Solution

The fourth proportional to 787,321,372.10, 1,180,982,058.15 and 241,992,047.30 is: 362,988,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,321,372.10 : 1,180,982,058.15 = 241,992,047.30 : x
  2. Step 2: Convert to fraction form
    787,321,372.10/1,180,982,058.15 = 241,992,047.30/x
  3. Step 3: Cross multiply
    787,321,372.10x = 1,180,982,058.15 × 241,992,047.30
  4. Step 4: Simplify right side
    787,321,372.10x = 285,788,266,076,286,176
  5. Step 5: Solve for x
    x = 285,788,266,076,286,176/787,321,372.10
  6. Step 6: Final answer
    x = 362,988,070.95

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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.