Home / 517,218,211.60-775,827,317.40-323,348,534.80

Finding the Fourth Proportional to 517,218,211.60, 775,827,317.40 and 323,348,534.80

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Solution

The fourth proportional to 517,218,211.60, 775,827,317.40 and 323,348,534.80 is: 485,022,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,218,211.60 : 775,827,317.40 = 323,348,534.80 : x
  2. Step 2: Convert to fraction form
    517,218,211.60/775,827,317.40 = 323,348,534.80/x
  3. Step 3: Cross multiply
    517,218,211.60x = 775,827,317.40 × 323,348,534.80
  4. Step 4: Simplify right side
    517,218,211.60x = 250,862,626,339,104,544
  5. Step 5: Solve for x
    x = 250,862,626,339,104,544/517,218,211.60
  6. Step 6: Final answer
    x = 485,022,802.20

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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.