Home / 455,545,931.88-628,650,255.78-246,697,295.16

Finding the Fourth Proportional to 455,545,931.88, 628,650,255.78 and 246,697,295.16

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Solution

The fourth proportional to 455,545,931.88, 628,650,255.78 and 246,697,295.16 is: 340,440,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,545,931.88 : 628,650,255.78 = 246,697,295.16 : x
  2. Step 2: Convert to fraction form
    455,545,931.88/628,650,255.78 = 246,697,295.16/x
  3. Step 3: Cross multiply
    455,545,931.88x = 628,650,255.78 × 246,697,295.16
  4. Step 4: Simplify right side
    455,545,931.88x = 155,086,317,702,568,160
  5. Step 5: Solve for x
    x = 155,086,317,702,568,160/455,545,931.88
  6. Step 6: Final answer
    x = 340,440,572.18

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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.