Home / 663,484,029.60-995,226,044.40-422,216,522.40

Finding the Fourth Proportional to 663,484,029.60, 995,226,044.40 and 422,216,522.40

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Solution

The fourth proportional to 663,484,029.60, 995,226,044.40 and 422,216,522.40 is: 633,324,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,484,029.60 : 995,226,044.40 = 422,216,522.40 : x
  2. Step 2: Convert to fraction form
    663,484,029.60/995,226,044.40 = 422,216,522.40/x
  3. Step 3: Cross multiply
    663,484,029.60x = 995,226,044.40 × 422,216,522.40
  4. Step 4: Simplify right side
    663,484,029.60x = 420,200,879,468,475,968
  5. Step 5: Solve for x
    x = 420,200,879,468,475,968/663,484,029.60
  6. Step 6: Final answer
    x = 633,324,783.60

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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.