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Finding the Fourth Proportional to 450,482,701.74, 675,979,672.77 and 243,218,352.30

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Solution

The fourth proportional to 450,482,701.74, 675,979,672.77 and 243,218,352.30 is: 364,965,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,482,701.74 : 675,979,672.77 = 243,218,352.30 : x
  2. Step 2: Convert to fraction form
    450,482,701.74/675,979,672.77 = 243,218,352.30/x
  3. Step 3: Cross multiply
    450,482,701.74x = 675,979,672.77 × 243,218,352.30
  4. Step 4: Simplify right side
    450,482,701.74x = 164,410,662,199,412,576
  5. Step 5: Solve for x
    x = 164,410,662,199,412,576/450,482,701.74
  6. Step 6: Final answer
    x = 364,965,539.33

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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.