Home / 1,635,043,613.68-2,452,446,786.24-638,877,332.88

Finding the Fourth Proportional to 1,635,043,613.68, 2,452,446,786.24 and 638,877,332.88

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Solution

The fourth proportional to 1,635,043,613.68, 2,452,446,786.24 and 638,877,332.88 is: 958,269,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,043,613.68 : 2,452,446,786.24 = 638,877,332.88 : x
  2. Step 2: Convert to fraction form
    1,635,043,613.68/2,452,446,786.24 = 638,877,332.88/x
  3. Step 3: Cross multiply
    1,635,043,613.68x = 2,452,446,786.24 × 638,877,332.88
  4. Step 4: Simplify right side
    1,635,043,613.68x = 1,566,812,661,823,138,560
  5. Step 5: Solve for x
    x = 1,566,812,661,823,138,560/1,635,043,613.68
  6. Step 6: Final answer
    x = 958,269,644.13

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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.