Home / 472,392,488.45-708,588,732.68-414,996,860.45

Finding the Fourth Proportional to 472,392,488.45, 708,588,732.68 and 414,996,860.45

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Solution

The fourth proportional to 472,392,488.45, 708,588,732.68 and 414,996,860.45 is: 622,495,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,488.45 : 708,588,732.68 = 414,996,860.45 : x
  2. Step 2: Convert to fraction form
    472,392,488.45/708,588,732.68 = 414,996,860.45/x
  3. Step 3: Cross multiply
    472,392,488.45x = 708,588,732.68 × 414,996,860.45
  4. Step 4: Simplify right side
    472,392,488.45x = 294,062,099,412,444,288
  5. Step 5: Solve for x
    x = 294,062,099,412,444,288/472,392,488.45
  6. Step 6: Final answer
    x = 622,495,290.68

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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.