Home / 629,861,409.60-944,792,114.40-384,973,396.80

Finding the Fourth Proportional to 629,861,409.60, 944,792,114.40 and 384,973,396.80

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Solution

The fourth proportional to 629,861,409.60, 944,792,114.40 and 384,973,396.80 is: 577,460,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,861,409.60 : 944,792,114.40 = 384,973,396.80 : x
  2. Step 2: Convert to fraction form
    629,861,409.60/944,792,114.40 = 384,973,396.80/x
  3. Step 3: Cross multiply
    629,861,409.60x = 944,792,114.40 × 384,973,396.80
  4. Step 4: Simplify right side
    629,861,409.60x = 363,719,829,550,422,208
  5. Step 5: Solve for x
    x = 363,719,829,550,422,208/629,861,409.60
  6. Step 6: Final answer
    x = 577,460,095.20

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Similar ratio
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1.5x scale

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.