Home / 493,448,409.40-740,172,614.10-415,964,311.60

Finding the Fourth Proportional to 493,448,409.40, 740,172,614.10 and 415,964,311.60

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Solution

The fourth proportional to 493,448,409.40, 740,172,614.10 and 415,964,311.60 is: 623,946,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,448,409.40 : 740,172,614.10 = 415,964,311.60 : x
  2. Step 2: Convert to fraction form
    493,448,409.40/740,172,614.10 = 415,964,311.60/x
  3. Step 3: Cross multiply
    493,448,409.40x = 740,172,614.10 × 415,964,311.60
  4. Step 4: Simplify right side
    493,448,409.40x = 307,885,391,889,278,976
  5. Step 5: Solve for x
    x = 307,885,391,889,278,976/493,448,409.40
  6. Step 6: Final answer
    x = 623,946,467.40

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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.