Home / 1,515,711,897.77-2,091,685,660.56-855,662,175.77

Finding the Fourth Proportional to 1,515,711,897.77, 2,091,685,660.56 and 855,662,175.77

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Solution

The fourth proportional to 1,515,711,897.77, 2,091,685,660.56 and 855,662,175.77 is: 1,180,815,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,711,897.77 : 2,091,685,660.56 = 855,662,175.77 : x
  2. Step 2: Convert to fraction form
    1,515,711,897.77/2,091,685,660.56 = 855,662,175.77/x
  3. Step 3: Cross multiply
    1,515,711,897.77x = 2,091,685,660.56 × 855,662,175.77
  4. Step 4: Simplify right side
    1,515,711,897.77x = 1,789,776,303,331,220,736
  5. Step 5: Solve for x
    x = 1,789,776,303,331,220,736/1,515,711,897.77
  6. Step 6: Final answer
    x = 1,180,815,632.56

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Find fourth proportional to 1,515,711,898.77, 2,091,685,661.94 and 855,662,176.77
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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.