Home / 1,224,759,747.40-1,837,139,621.10-448,147,299.40

Finding the Fourth Proportional to 1,224,759,747.40, 1,837,139,621.10 and 448,147,299.40

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Solution

The fourth proportional to 1,224,759,747.40, 1,837,139,621.10 and 448,147,299.40 is: 672,220,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,759,747.40 : 1,837,139,621.10 = 448,147,299.40 : x
  2. Step 2: Convert to fraction form
    1,224,759,747.40/1,837,139,621.10 = 448,147,299.40/x
  3. Step 3: Cross multiply
    1,224,759,747.40x = 1,837,139,621.10 × 448,147,299.40
  4. Step 4: Simplify right side
    1,224,759,747.40x = 823,309,159,816,704,128
  5. Step 5: Solve for x
    x = 823,309,159,816,704,128/1,224,759,747.40
  6. Step 6: Final answer
    x = 672,220,949.10

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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.