Home / 808,534,448.06-1,115,780,900.65-437,256,479.43

Finding the Fourth Proportional to 808,534,448.06, 1,115,780,900.65 and 437,256,479.43

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Solution

The fourth proportional to 808,534,448.06, 1,115,780,900.65 and 437,256,479.43 is: 603,415,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,534,448.06 : 1,115,780,900.65 = 437,256,479.43 : x
  2. Step 2: Convert to fraction form
    808,534,448.06/1,115,780,900.65 = 437,256,479.43/x
  3. Step 3: Cross multiply
    808,534,448.06x = 1,115,780,900.65 × 437,256,479.43
  4. Step 4: Simplify right side
    808,534,448.06x = 487,882,428,432,360,512
  5. Step 5: Solve for x
    x = 487,882,428,432,360,512/808,534,448.06
  6. Step 6: Final answer
    x = 603,415,759.97

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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.