Home / 442,936,815.40-664,521,344.70-170,316,476.20

Finding the Fourth Proportional to 442,936,815.40, 664,521,344.70 and 170,316,476.20

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Solution

The fourth proportional to 442,936,815.40, 664,521,344.70 and 170,316,476.20 is: 255,519,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,936,815.40 : 664,521,344.70 = 170,316,476.20 : x
  2. Step 2: Convert to fraction form
    442,936,815.40/664,521,344.70 = 170,316,476.20/x
  3. Step 3: Cross multiply
    442,936,815.40x = 664,521,344.70 × 170,316,476.20
  4. Step 4: Simplify right side
    442,936,815.40x = 113,178,933,788,989,552
  5. Step 5: Solve for x
    x = 113,178,933,788,989,552/442,936,815.40
  6. Step 6: Final answer
    x = 255,519,364.96

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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.