Home / 276,663,412.64-414,933,929.03-79,884,128.46

Finding the Fourth Proportional to 276,663,412.64, 414,933,929.03 and 79,884,128.46

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Solution

The fourth proportional to 276,663,412.64, 414,933,929.03 and 79,884,128.46 is: 119,808,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,663,412.64 : 414,933,929.03 = 79,884,128.46 : x
  2. Step 2: Convert to fraction form
    276,663,412.64/414,933,929.03 = 79,884,128.46/x
  3. Step 3: Cross multiply
    276,663,412.64x = 414,933,929.03 × 79,884,128.46
  4. Step 4: Simplify right side
    276,663,412.64x = 33,146,635,288,645,616
  5. Step 5: Solve for x
    x = 33,146,635,288,645,616/276,663,412.64
  6. Step 6: Final answer
    x = 119,808,524.64

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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.