Home / 995,780,663.70-1,493,670,995.55-479,220,011.70

Finding the Fourth Proportional to 995,780,663.70, 1,493,670,995.55 and 479,220,011.70

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Solution

The fourth proportional to 995,780,663.70, 1,493,670,995.55 and 479,220,011.70 is: 718,830,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,780,663.70 : 1,493,670,995.55 = 479,220,011.70 : x
  2. Step 2: Convert to fraction form
    995,780,663.70/1,493,670,995.55 = 479,220,011.70/x
  3. Step 3: Cross multiply
    995,780,663.70x = 1,493,670,995.55 × 479,220,011.70
  4. Step 4: Simplify right side
    995,780,663.70x = 715,797,031,963,421,568
  5. Step 5: Solve for x
    x = 715,797,031,963,421,568/995,780,663.70
  6. Step 6: Final answer
    x = 718,830,017.55

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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.