Home / 639,426,679.06-957,415,498.34-417,548,388.82

Finding the Fourth Proportional to 639,426,679.06, 957,415,498.34 and 417,548,388.82

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Solution

The fourth proportional to 639,426,679.06, 957,415,498.34 and 417,548,388.82 is: 625,196,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,426,679.06 : 957,415,498.34 = 417,548,388.82 : x
  2. Step 2: Convert to fraction form
    639,426,679.06/957,415,498.34 = 417,548,388.82/x
  3. Step 3: Cross multiply
    639,426,679.06x = 957,415,498.34 × 417,548,388.82
  4. Step 4: Simplify right side
    639,426,679.06x = 399,767,298,763,164,416
  5. Step 5: Solve for x
    x = 399,767,298,763,164,416/639,426,679.06
  6. Step 6: Final answer
    x = 625,196,464.04

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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.