Home / 1,025,857,648,919.20-1,538,798,318,404.10-309,567,798,781.60

Finding the Fourth Proportional to 1,025,857,648,919.20, 1,538,798,318,404.10 and 309,567,798,781.60

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Solution

The fourth proportional to 1,025,857,648,919.20, 1,538,798,318,404.10 and 309,567,798,781.60 is: 464,355,272,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,857,648,919.20 : 1,538,798,318,404.10 = 309,567,798,781.60 : x
  2. Step 2: Convert to fraction form
    1,025,857,648,919.20/1,538,798,318,404.10 = 309,567,798,781.60/x
  3. Step 3: Cross multiply
    1,025,857,648,919.20x = 1,538,798,318,404.10 × 309,567,798,781.60
  4. Step 4: Simplify right side
    1,025,857,648,919.20x = 476,362,408,197,184,880,115,712
  5. Step 5: Solve for x
    x = 476,362,408,197,184,880,115,712/1,025,857,648,919.20
  6. Step 6: Final answer
    x = 464,355,272,584.91

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Double scale
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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.