Home / 815,949,026.48-1,125,976,802.64-444,663,086.24

Finding the Fourth Proportional to 815,949,026.48, 1,125,976,802.64 and 444,663,086.24

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Solution

The fourth proportional to 815,949,026.48, 1,125,976,802.64 and 444,663,086.24 is: 613,617,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,949,026.48 : 1,125,976,802.64 = 444,663,086.24 : x
  2. Step 2: Convert to fraction form
    815,949,026.48/1,125,976,802.64 = 444,663,086.24/x
  3. Step 3: Cross multiply
    815,949,026.48x = 1,125,976,802.64 × 444,663,086.24
  4. Step 4: Simplify right side
    815,949,026.48x = 500,680,320,096,549,824
  5. Step 5: Solve for x
    x = 500,680,320,096,549,824/815,949,026.48
  6. Step 6: Final answer
    x = 613,617,154.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.