Home / 497,004,163.20-745,506,244.80-420,476,659.20

Finding the Fourth Proportional to 497,004,163.20, 745,506,244.80 and 420,476,659.20

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Solution

The fourth proportional to 497,004,163.20, 745,506,244.80 and 420,476,659.20 is: 630,714,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,004,163.20 : 745,506,244.80 = 420,476,659.20 : x
  2. Step 2: Convert to fraction form
    497,004,163.20/745,506,244.80 = 420,476,659.20/x
  3. Step 3: Cross multiply
    497,004,163.20x = 745,506,244.80 × 420,476,659.20
  4. Step 4: Simplify right side
    497,004,163.20x = 313,467,975,226,241,344
  5. Step 5: Solve for x
    x = 313,467,975,226,241,344/497,004,163.20
  6. Step 6: Final answer
    x = 630,714,988.80

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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.