Home / 326,700,756.10-490,618,004.55-173,645,748.10

Finding the Fourth Proportional to 326,700,756.10, 490,618,004.55 and 173,645,748.10

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Solution

The fourth proportional to 326,700,756.10, 490,618,004.55 and 173,645,748.10 is: 260,769,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,700,756.10 : 490,618,004.55 = 173,645,748.10 : x
  2. Step 2: Convert to fraction form
    326,700,756.10/490,618,004.55 = 173,645,748.10/x
  3. Step 3: Cross multiply
    326,700,756.10x = 490,618,004.55 × 173,645,748.10
  4. Step 4: Simplify right side
    326,700,756.10x = 85,193,730,431,413,952
  5. Step 5: Solve for x
    x = 85,193,730,431,413,952/326,700,756.10
  6. Step 6: Final answer
    x = 260,769,921.22

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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.