Home / 999,216,098.40-1,498,824,147.60-982,209,986.40

Finding the Fourth Proportional to 999,216,098.40, 1,498,824,147.60 and 982,209,986.40

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Solution

The fourth proportional to 999,216,098.40, 1,498,824,147.60 and 982,209,986.40 is: 1,473,314,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,216,098.40 : 1,498,824,147.60 = 982,209,986.40 : x
  2. Step 2: Convert to fraction form
    999,216,098.40/1,498,824,147.60 = 982,209,986.40/x
  3. Step 3: Cross multiply
    999,216,098.40x = 1,498,824,147.60 × 982,209,986.40
  4. Step 4: Simplify right side
    999,216,098.40x = 1,472,160,045,630,187,520
  5. Step 5: Solve for x
    x = 1,472,160,045,630,187,520/999,216,098.40
  6. Step 6: Final answer
    x = 1,473,314,979.60

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1.5x scale

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.