Home / 1,008,021,410.70-1,512,032,116.05-317,998,416.30

Finding the Fourth Proportional to 1,008,021,410.70, 1,512,032,116.05 and 317,998,416.30

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Solution

The fourth proportional to 1,008,021,410.70, 1,512,032,116.05 and 317,998,416.30 is: 476,997,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,021,410.70 : 1,512,032,116.05 = 317,998,416.30 : x
  2. Step 2: Convert to fraction form
    1,008,021,410.70/1,512,032,116.05 = 317,998,416.30/x
  3. Step 3: Cross multiply
    1,008,021,410.70x = 1,512,032,116.05 × 317,998,416.30
  4. Step 4: Simplify right side
    1,008,021,410.70x = 480,823,818,298,637,824
  5. Step 5: Solve for x
    x = 480,823,818,298,637,824/1,008,021,410.70
  6. Step 6: Final answer
    x = 476,997,624.45

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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.