Home / 300,857,988,012.06-415,187,315,594.28-163,681,594,093.76

Finding the Fourth Proportional to 300,857,988,012.06, 415,187,315,594.28 and 163,681,594,093.76

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Solution

The fourth proportional to 300,857,988,012.06, 415,187,315,594.28 and 163,681,594,093.76 is: 225,882,390,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,857,988,012.06 : 415,187,315,594.28 = 163,681,594,093.76 : x
  2. Step 2: Convert to fraction form
    300,857,988,012.06/415,187,315,594.28 = 163,681,594,093.76/x
  3. Step 3: Cross multiply
    300,857,988,012.06x = 415,187,315,594.28 × 163,681,594,093.76
  4. Step 4: Simplify right side
    300,857,988,012.06x = 67,958,521,663,980,778,291,200
  5. Step 5: Solve for x
    x = 67,958,521,663,980,778,291,200/300,857,988,012.06
  6. Step 6: Final answer
    x = 225,882,390,934.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.