Home / 354,287,801.60-531,431,702.40-327,078,022.40

Finding the Fourth Proportional to 354,287,801.60, 531,431,702.40 and 327,078,022.40

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Solution

The fourth proportional to 354,287,801.60, 531,431,702.40 and 327,078,022.40 is: 490,617,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,287,801.60 : 531,431,702.40 = 327,078,022.40 : x
  2. Step 2: Convert to fraction form
    354,287,801.60/531,431,702.40 = 327,078,022.40/x
  3. Step 3: Cross multiply
    354,287,801.60x = 531,431,702.40 × 327,078,022.40
  4. Step 4: Simplify right side
    354,287,801.60x = 173,819,630,261,657,312
  5. Step 5: Solve for x
    x = 173,819,630,261,657,312/354,287,801.60
  6. Step 6: Final answer
    x = 490,617,033.60

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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.