Home / 1,342,133,078.34-2,013,504,601.92-409,539,350.76

Finding the Fourth Proportional to 1,342,133,078.34, 2,013,504,601.92 and 409,539,350.76

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Solution

The fourth proportional to 1,342,133,078.34, 2,013,504,601.92 and 409,539,350.76 is: 614,402,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,133,078.34 : 2,013,504,601.92 = 409,539,350.76 : x
  2. Step 2: Convert to fraction form
    1,342,133,078.34/2,013,504,601.92 = 409,539,350.76/x
  3. Step 3: Cross multiply
    1,342,133,078.34x = 2,013,504,601.92 × 409,539,350.76
  4. Step 4: Simplify right side
    1,342,133,078.34x = 824,609,367,422,589,056
  5. Step 5: Solve for x
    x = 824,609,367,422,589,056/1,342,133,078.34
  6. Step 6: Final answer
    x = 614,402,089.28

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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.