Home / 1,108,266,514.80-1,662,658,479.72-321,336,628.08

Finding the Fourth Proportional to 1,108,266,514.80, 1,662,658,479.72 and 321,336,628.08

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Solution

The fourth proportional to 1,108,266,514.80, 1,662,658,479.72 and 321,336,628.08 is: 482,079,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,266,514.80 : 1,662,658,479.72 = 321,336,628.08 : x
  2. Step 2: Convert to fraction form
    1,108,266,514.80/1,662,658,479.72 = 321,336,628.08/x
  3. Step 3: Cross multiply
    1,108,266,514.80x = 1,662,658,479.72 × 321,336,628.08
  4. Step 4: Simplify right side
    1,108,266,514.80x = 534,273,069,521,843,840
  5. Step 5: Solve for x
    x = 534,273,069,521,843,840/1,108,266,514.80
  6. Step 6: Final answer
    x = 482,079,953.14

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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.