Home / 1,024,538,783.91-1,413,863,995.56-554,640,105.41

Finding the Fourth Proportional to 1,024,538,783.91, 1,413,863,995.56 and 554,640,105.41

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Solution

The fourth proportional to 1,024,538,783.91, 1,413,863,995.56 and 554,640,105.41 is: 765,403,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,538,783.91 : 1,413,863,995.56 = 554,640,105.41 : x
  2. Step 2: Convert to fraction form
    1,024,538,783.91/1,413,863,995.56 = 554,640,105.41/x
  3. Step 3: Cross multiply
    1,024,538,783.91x = 1,413,863,995.56 × 554,640,105.41
  4. Step 4: Simplify right side
    1,024,538,783.91x = 784,185,675,528,996,736
  5. Step 5: Solve for x
    x = 784,185,675,528,996,736/1,024,538,783.91
  6. Step 6: Final answer
    x = 765,403,601.94

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Double scale
Find fourth proportional to 1,024,538,784.91, 1,413,863,996.94 and 554,640,106.41
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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.