Home / 422,039,886.60-633,059,829.90-384,416,488.20

Finding the Fourth Proportional to 422,039,886.60, 633,059,829.90 and 384,416,488.20

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Solution

The fourth proportional to 422,039,886.60, 633,059,829.90 and 384,416,488.20 is: 576,624,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,039,886.60 : 633,059,829.90 = 384,416,488.20 : x
  2. Step 2: Convert to fraction form
    422,039,886.60/633,059,829.90 = 384,416,488.20/x
  3. Step 3: Cross multiply
    422,039,886.60x = 633,059,829.90 × 384,416,488.20
  4. Step 4: Simplify right side
    422,039,886.60x = 243,358,636,630,647,328
  5. Step 5: Solve for x
    x = 243,358,636,630,647,328/422,039,886.60
  6. Step 6: Final answer
    x = 576,624,732.30

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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.