Home / 769,824,497.80-1,154,736,746.70-252,271,822.60

Finding the Fourth Proportional to 769,824,497.80, 1,154,736,746.70 and 252,271,822.60

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Solution

The fourth proportional to 769,824,497.80, 1,154,736,746.70 and 252,271,822.60 is: 378,407,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824,497.80 : 1,154,736,746.70 = 252,271,822.60 : x
  2. Step 2: Convert to fraction form
    769,824,497.80/1,154,736,746.70 = 252,271,822.60/x
  3. Step 3: Cross multiply
    769,824,497.80x = 1,154,736,746.70 × 252,271,822.60
  4. Step 4: Simplify right side
    769,824,497.80x = 291,307,543,713,203,520
  5. Step 5: Solve for x
    x = 291,307,543,713,203,520/769,824,497.80
  6. Step 6: Final answer
    x = 378,407,733.90

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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.