Home / 518,996,281.10-716,216,766.09-280,841,467.67

Finding the Fourth Proportional to 518,996,281.10, 716,216,766.09 and 280,841,467.67

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Solution

The fourth proportional to 518,996,281.10, 716,216,766.09 and 280,841,467.67 is: 387,562,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,996,281.10 : 716,216,766.09 = 280,841,467.67 : x
  2. Step 2: Convert to fraction form
    518,996,281.10/716,216,766.09 = 280,841,467.67/x
  3. Step 3: Cross multiply
    518,996,281.10x = 716,216,766.09 × 280,841,467.67
  4. Step 4: Simplify right side
    518,996,281.10x = 201,143,367,758,200,992
  5. Step 5: Solve for x
    x = 201,143,367,758,200,992/518,996,281.10
  6. Step 6: Final answer
    x = 387,562,252.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.