Home / 430,773,834,021.42-646,173,914,825.70-147,788,707,861.37

Finding the Fourth Proportional to 430,773,834,021.42, 646,173,914,825.70 and 147,788,707,861.37

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Solution

The fourth proportional to 430,773,834,021.42, 646,173,914,825.70 and 147,788,707,861.37 is: 221,687,577,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,773,834,021.42 : 646,173,914,825.70 = 147,788,707,861.37 : x
  2. Step 2: Convert to fraction form
    430,773,834,021.42/646,173,914,825.70 = 147,788,707,861.37/x
  3. Step 3: Cross multiply
    430,773,834,021.42x = 646,173,914,825.70 × 147,788,707,861.37
  4. Step 4: Simplify right side
    430,773,834,021.42x = 95,497,207,925,813,150,744,576
  5. Step 5: Solve for x
    x = 95,497,207,925,813,150,744,576/430,773,834,021.42
  6. Step 6: Final answer
    x = 221,687,577,990.32

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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.