Home / 1,076,188,145.40-1,614,282,218.10-815,994,631.80

Finding the Fourth Proportional to 1,076,188,145.40, 1,614,282,218.10 and 815,994,631.80

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Solution

The fourth proportional to 1,076,188,145.40, 1,614,282,218.10 and 815,994,631.80 is: 1,223,991,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,188,145.40 : 1,614,282,218.10 = 815,994,631.80 : x
  2. Step 2: Convert to fraction form
    1,076,188,145.40/1,614,282,218.10 = 815,994,631.80/x
  3. Step 3: Cross multiply
    1,076,188,145.40x = 1,614,282,218.10 × 815,994,631.80
  4. Step 4: Simplify right side
    1,076,188,145.40x = 1,317,245,624,179,796,736
  5. Step 5: Solve for x
    x = 1,317,245,624,179,796,736/1,076,188,145.40
  6. Step 6: Final answer
    x = 1,223,991,947.70

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Half scale
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Double scale
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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.