Home / 769,824,455.90-1,154,736,683.85-360,921,940.70

Finding the Fourth Proportional to 769,824,455.90, 1,154,736,683.85 and 360,921,940.70

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Solution

The fourth proportional to 769,824,455.90, 1,154,736,683.85 and 360,921,940.70 is: 541,382,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824,455.90 : 1,154,736,683.85 = 360,921,940.70 : x
  2. Step 2: Convert to fraction form
    769,824,455.90/1,154,736,683.85 = 360,921,940.70/x
  3. Step 3: Cross multiply
    769,824,455.90x = 1,154,736,683.85 × 360,921,940.70
  4. Step 4: Simplify right side
    769,824,455.90x = 416,769,804,932,624,320
  5. Step 5: Solve for x
    x = 416,769,804,932,624,320/769,824,455.90
  6. Step 6: Final answer
    x = 541,382,911.05

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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.