Home / 995,780,663.20-1,493,670,994.80-479,220,011.20

Finding the Fourth Proportional to 995,780,663.20, 1,493,670,994.80 and 479,220,011.20

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Solution

The fourth proportional to 995,780,663.20, 1,493,670,994.80 and 479,220,011.20 is: 718,830,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,780,663.20 : 1,493,670,994.80 = 479,220,011.20 : x
  2. Step 2: Convert to fraction form
    995,780,663.20/1,493,670,994.80 = 479,220,011.20/x
  3. Step 3: Cross multiply
    995,780,663.20x = 1,493,670,994.80 × 479,220,011.20
  4. Step 4: Simplify right side
    995,780,663.20x = 715,797,030,857,171,072
  5. Step 5: Solve for x
    x = 715,797,030,857,171,072/995,780,663.20
  6. Step 6: Final answer
    x = 718,830,016.80

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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.