Home / 446,926,677.20-670,390,015.80-217,344,165.20

Finding the Fourth Proportional to 446,926,677.20, 670,390,015.80 and 217,344,165.20

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Solution

The fourth proportional to 446,926,677.20, 670,390,015.80 and 217,344,165.20 is: 326,016,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,926,677.20 : 670,390,015.80 = 217,344,165.20 : x
  2. Step 2: Convert to fraction form
    446,926,677.20/670,390,015.80 = 217,344,165.20/x
  3. Step 3: Cross multiply
    446,926,677.20x = 670,390,015.80 × 217,344,165.20
  4. Step 4: Simplify right side
    446,926,677.20x = 145,705,358,342,465,792
  5. Step 5: Solve for x
    x = 145,705,358,342,465,792/446,926,677.20
  6. Step 6: Final answer
    x = 326,016,247.80

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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.