Home / 1,115,473,340.20-1,673,210,010.30-993,029,333.80

Finding the Fourth Proportional to 1,115,473,340.20, 1,673,210,010.30 and 993,029,333.80

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Solution

The fourth proportional to 1,115,473,340.20, 1,673,210,010.30 and 993,029,333.80 is: 1,489,544,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,473,340.20 : 1,673,210,010.30 = 993,029,333.80 : x
  2. Step 2: Convert to fraction form
    1,115,473,340.20/1,673,210,010.30 = 993,029,333.80/x
  3. Step 3: Cross multiply
    1,115,473,340.20x = 1,673,210,010.30 × 993,029,333.80
  4. Step 4: Simplify right side
    1,115,473,340.20x = 1,661,546,621,835,699,968
  5. Step 5: Solve for x
    x = 1,661,546,621,835,699,968/1,115,473,340.20
  6. Step 6: Final answer
    x = 1,489,544,000.70

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Double scale
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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.