Home / 1,224,763,322.40-1,837,144,983.60-448,434,309.60

Finding the Fourth Proportional to 1,224,763,322.40, 1,837,144,983.60 and 448,434,309.60

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Solution

The fourth proportional to 1,224,763,322.40, 1,837,144,983.60 and 448,434,309.60 is: 672,651,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,763,322.40 : 1,837,144,983.60 = 448,434,309.60 : x
  2. Step 2: Convert to fraction form
    1,224,763,322.40/1,837,144,983.60 = 448,434,309.60/x
  3. Step 3: Cross multiply
    1,224,763,322.40x = 1,837,144,983.60 × 448,434,309.60
  4. Step 4: Simplify right side
    1,224,763,322.40x = 823,838,842,355,769,344
  5. Step 5: Solve for x
    x = 823,838,842,355,769,344/1,224,763,322.40
  6. Step 6: Final answer
    x = 672,651,464.40

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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.