Home / 701,292,942.87-1,049,842,215.15-424,105,274.70

Finding the Fourth Proportional to 701,292,942.87, 1,049,842,215.15 and 424,105,274.70

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Solution

The fourth proportional to 701,292,942.87, 1,049,842,215.15 and 424,105,274.70 is: 634,889,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,292,942.87 : 1,049,842,215.15 = 424,105,274.70 : x
  2. Step 2: Convert to fraction form
    701,292,942.87/1,049,842,215.15 = 424,105,274.70/x
  3. Step 3: Cross multiply
    701,292,942.87x = 1,049,842,215.15 × 424,105,274.70
  4. Step 4: Simplify right side
    701,292,942.87x = 445,243,621,047,847,232
  5. Step 5: Solve for x
    x = 445,243,621,047,847,232/701,292,942.87
  6. Step 6: Final answer
    x = 634,889,635.74

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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.