Home / 808,918,273.60-1,213,377,410.40-672,757,403.20

Finding the Fourth Proportional to 808,918,273.60, 1,213,377,410.40 and 672,757,403.20

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Solution

The fourth proportional to 808,918,273.60, 1,213,377,410.40 and 672,757,403.20 is: 1,009,136,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,918,273.60 : 1,213,377,410.40 = 672,757,403.20 : x
  2. Step 2: Convert to fraction form
    808,918,273.60/1,213,377,410.40 = 672,757,403.20/x
  3. Step 3: Cross multiply
    808,918,273.60x = 1,213,377,410.40 × 672,757,403.20
  4. Step 4: Simplify right side
    808,918,273.60x = 816,308,635,722,244,736
  5. Step 5: Solve for x
    x = 816,308,635,722,244,736/808,918,273.60
  6. Step 6: Final answer
    x = 1,009,136,104.80

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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.