Home / 199,480,818,727.82-299,698,582,784.40-127,910,555,189.21

Finding the Fourth Proportional to 199,480,818,727.82, 299,698,582,784.40 and 127,910,555,189.21

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Solution

The fourth proportional to 199,480,818,727.82, 299,698,582,784.40 and 127,910,555,189.21 is: 192,171,920,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,480,818,727.82 : 299,698,582,784.40 = 127,910,555,189.21 : x
  2. Step 2: Convert to fraction form
    199,480,818,727.82/299,698,582,784.40 = 127,910,555,189.21/x
  3. Step 3: Cross multiply
    199,480,818,727.82x = 299,698,582,784.40 × 127,910,555,189.21
  4. Step 4: Simplify right side
    199,480,818,727.82x = 38,334,612,113,372,024,406,016
  5. Step 5: Solve for x
    x = 38,334,612,113,372,024,406,016/199,480,818,727.82
  6. Step 6: Final answer
    x = 192,171,920,878.66

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1.5x scale

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.