Home / 479,675,012.05-719,403,744.69-217,186,280.64

Finding the Fourth Proportional to 479,675,012.05, 719,403,744.69 and 217,186,280.64

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Solution

The fourth proportional to 479,675,012.05, 719,403,744.69 and 217,186,280.64 is: 325,730,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,675,012.05 : 719,403,744.69 = 217,186,280.64 : x
  2. Step 2: Convert to fraction form
    479,675,012.05/719,403,744.69 = 217,186,280.64/x
  3. Step 3: Cross multiply
    479,675,012.05x = 719,403,744.69 × 217,186,280.64
  4. Step 4: Simplify right side
    479,675,012.05x = 156,244,623,587,709,248
  5. Step 5: Solve for x
    x = 156,244,623,587,709,248/479,675,012.05
  6. Step 6: Final answer
    x = 325,730,170.77

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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.