Home / 808,534,460.01-1,115,780,917.20-437,256,491.40

Finding the Fourth Proportional to 808,534,460.01, 1,115,780,917.20 and 437,256,491.40

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Solution

The fourth proportional to 808,534,460.01, 1,115,780,917.20 and 437,256,491.40 is: 603,415,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,534,460.01 : 1,115,780,917.20 = 437,256,491.40 : x
  2. Step 2: Convert to fraction form
    808,534,460.01/1,115,780,917.20 = 437,256,491.40/x
  3. Step 3: Cross multiply
    808,534,460.01x = 1,115,780,917.20 × 437,256,491.40
  4. Step 4: Simplify right side
    808,534,460.01x = 487,882,449,025,945,920
  5. Step 5: Solve for x
    x = 487,882,449,025,945,920/808,534,460.01
  6. Step 6: Final answer
    x = 603,415,776.51

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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.