Home / 769,824,244.80-1,154,736,367.20-252,271,569.60

Finding the Fourth Proportional to 769,824,244.80, 1,154,736,367.20 and 252,271,569.60

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Solution

The fourth proportional to 769,824,244.80, 1,154,736,367.20 and 252,271,569.60 is: 378,407,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824,244.80 : 1,154,736,367.20 = 252,271,569.60 : x
  2. Step 2: Convert to fraction form
    769,824,244.80/1,154,736,367.20 = 252,271,569.60/x
  3. Step 3: Cross multiply
    769,824,244.80x = 1,154,736,367.20 × 252,271,569.60
  4. Step 4: Simplify right side
    769,824,244.80x = 291,307,155,827,745,984
  5. Step 5: Solve for x
    x = 291,307,155,827,745,984/769,824,244.80
  6. Step 6: Final answer
    x = 378,407,354.40

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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.