Home / 726,630,095.76-1,090,426,532.04-399,334,173.36

Finding the Fourth Proportional to 726,630,095.76, 1,090,426,532.04 and 399,334,173.36

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Solution

The fourth proportional to 726,630,095.76, 1,090,426,532.04 and 399,334,173.36 is: 599,265,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,630,095.76 : 1,090,426,532.04 = 399,334,173.36 : x
  2. Step 2: Convert to fraction form
    726,630,095.76/1,090,426,532.04 = 399,334,173.36/x
  3. Step 3: Cross multiply
    726,630,095.76x = 1,090,426,532.04 × 399,334,173.36
  4. Step 4: Simplify right side
    726,630,095.76x = 435,444,577,782,004,928
  5. Step 5: Solve for x
    x = 435,444,577,782,004,928/726,630,095.76
  6. Step 6: Final answer
    x = 599,265,816.71

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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.