Home / 629,074,921.60-943,612,382.40-356,977,129.60

Finding the Fourth Proportional to 629,074,921.60, 943,612,382.40 and 356,977,129.60

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Solution

The fourth proportional to 629,074,921.60, 943,612,382.40 and 356,977,129.60 is: 535,465,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,074,921.60 : 943,612,382.40 = 356,977,129.60 : x
  2. Step 2: Convert to fraction form
    629,074,921.60/943,612,382.40 = 356,977,129.60/x
  3. Step 3: Cross multiply
    629,074,921.60x = 943,612,382.40 × 356,977,129.60
  4. Step 4: Simplify right side
    629,074,921.60x = 336,848,039,724,169,600
  5. Step 5: Solve for x
    x = 336,848,039,724,169,600/629,074,921.60
  6. Step 6: Final answer
    x = 535,465,694.40

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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.