Home / 808,080,814.50-1,115,151,037.16-436,802,856.80

Finding the Fourth Proportional to 808,080,814.50, 1,115,151,037.16 and 436,802,856.80

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Solution

The fourth proportional to 808,080,814.50, 1,115,151,037.16 and 436,802,856.80 is: 602,787,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,080,814.50 : 1,115,151,037.16 = 436,802,856.80 : x
  2. Step 2: Convert to fraction form
    808,080,814.50/1,115,151,037.16 = 436,802,856.80/x
  3. Step 3: Cross multiply
    808,080,814.50x = 1,115,151,037.16 × 436,802,856.80
  4. Step 4: Simplify right side
    808,080,814.50x = 487,101,158,794,971,008
  5. Step 5: Solve for x
    x = 487,101,158,794,971,008/808,080,814.50
  6. Step 6: Final answer
    x = 602,787,679.22

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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.