Home / 1,076,557,021.20-1,614,835,531.80-586,780,995.60

Finding the Fourth Proportional to 1,076,557,021.20, 1,614,835,531.80 and 586,780,995.60

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Solution

The fourth proportional to 1,076,557,021.20, 1,614,835,531.80 and 586,780,995.60 is: 880,171,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,557,021.20 : 1,614,835,531.80 = 586,780,995.60 : x
  2. Step 2: Convert to fraction form
    1,076,557,021.20/1,614,835,531.80 = 586,780,995.60/x
  3. Step 3: Cross multiply
    1,076,557,021.20x = 1,614,835,531.80 × 586,780,995.60
  4. Step 4: Simplify right side
    1,076,557,021.20x = 947,554,801,079,859,456
  5. Step 5: Solve for x
    x = 947,554,801,079,859,456/1,076,557,021.20
  6. Step 6: Final answer
    x = 880,171,493.40

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Half scale
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Double scale
Find fourth proportional to 1,076,557,022.20, 1,614,835,533.30 and 586,780,996.60
Similar ratio
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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.