Home / 1,581,537,635.52-2,372,280,046.47-385,025,957.61

Finding the Fourth Proportional to 1,581,537,635.52, 2,372,280,046.47 and 385,025,957.61

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Solution

The fourth proportional to 1,581,537,635.52, 2,372,280,046.47 and 385,025,957.61 is: 577,532,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,537,635.52 : 2,372,280,046.47 = 385,025,957.61 : x
  2. Step 2: Convert to fraction form
    1,581,537,635.52/2,372,280,046.47 = 385,025,957.61/x
  3. Step 3: Cross multiply
    1,581,537,635.52x = 2,372,280,046.47 × 385,025,957.61
  4. Step 4: Simplify right side
    1,581,537,635.52x = 913,389,396,611,207,040
  5. Step 5: Solve for x
    x = 913,389,396,611,207,040/1,581,537,635.52
  6. Step 6: Final answer
    x = 577,532,507.67

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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.