Home / 264,217,911.20-396,326,866.80-166,007,614.40

Finding the Fourth Proportional to 264,217,911.20, 396,326,866.80 and 166,007,614.40

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Solution

The fourth proportional to 264,217,911.20, 396,326,866.80 and 166,007,614.40 is: 249,011,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,217,911.20 : 396,326,866.80 = 166,007,614.40 : x
  2. Step 2: Convert to fraction form
    264,217,911.20/396,326,866.80 = 166,007,614.40/x
  3. Step 3: Cross multiply
    264,217,911.20x = 396,326,866.80 × 166,007,614.40
  4. Step 4: Simplify right side
    264,217,911.20x = 65,793,277,680,094,568
  5. Step 5: Solve for x
    x = 65,793,277,680,094,568/264,217,911.20
  6. Step 6: Final answer
    x = 249,011,421.60

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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.