Home / 455,545,898.13-628,650,209.34-246,697,261.50

Finding the Fourth Proportional to 455,545,898.13, 628,650,209.34 and 246,697,261.50

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Solution

The fourth proportional to 455,545,898.13, 628,650,209.34 and 246,697,261.50 is: 340,440,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,545,898.13 : 628,650,209.34 = 246,697,261.50 : x
  2. Step 2: Convert to fraction form
    455,545,898.13/628,650,209.34 = 246,697,261.50/x
  3. Step 3: Cross multiply
    455,545,898.13x = 628,650,209.34 × 246,697,261.50
  4. Step 4: Simplify right side
    455,545,898.13x = 155,086,285,085,579,744
  5. Step 5: Solve for x
    x = 155,086,285,085,579,744/455,545,898.13
  6. Step 6: Final answer
    x = 340,440,525.80

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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.