Home / 19,132,423,659.40-28,698,635,489.10-5,159,458,022.80

Finding the Fourth Proportional to 19,132,423,659.40, 28,698,635,489.10 and 5,159,458,022.80

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Solution

The fourth proportional to 19,132,423,659.40, 28,698,635,489.10 and 5,159,458,022.80 is: 7,739,187,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132,423,659.40 : 28,698,635,489.10 = 5,159,458,022.80 : x
  2. Step 2: Convert to fraction form
    19,132,423,659.40/28,698,635,489.10 = 5,159,458,022.80/x
  3. Step 3: Cross multiply
    19,132,423,659.40x = 28,698,635,489.10 × 5,159,458,022.80
  4. Step 4: Simplify right side
    19,132,423,659.40x = 148,069,405,117,649,780,736
  5. Step 5: Solve for x
    x = 148,069,405,117,649,780,736/19,132,423,659.40
  6. Step 6: Final answer
    x = 7,739,187,034.20

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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.