Home / 455,546,130.72-628,650,530.10-246,697,494.12

Finding the Fourth Proportional to 455,546,130.72, 628,650,530.10 and 246,697,494.12

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Solution

The fourth proportional to 455,546,130.72, 628,650,530.10 and 246,697,494.12 is: 340,440,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,546,130.72 : 628,650,530.10 = 246,697,494.12 : x
  2. Step 2: Convert to fraction form
    455,546,130.72/628,650,530.10 = 246,697,494.12/x
  3. Step 3: Cross multiply
    455,546,130.72x = 628,650,530.10 × 246,697,494.12
  4. Step 4: Simplify right side
    455,546,130.72x = 155,086,510,452,879,648
  5. Step 5: Solve for x
    x = 155,086,510,452,879,648/455,546,130.72
  6. Step 6: Final answer
    x = 340,440,846.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.