Home / 522,483,014.13-721,026,677.24-287,533,674.60

Finding the Fourth Proportional to 522,483,014.13, 721,026,677.24 and 287,533,674.60

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Solution

The fourth proportional to 522,483,014.13, 721,026,677.24 and 287,533,674.60 is: 396,796,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,483,014.13 : 721,026,677.24 = 287,533,674.60 : x
  2. Step 2: Convert to fraction form
    522,483,014.13/721,026,677.24 = 287,533,674.60/x
  3. Step 3: Cross multiply
    522,483,014.13x = 721,026,677.24 × 287,533,674.60
  4. Step 4: Simplify right side
    522,483,014.13x = 207,319,449,993,243,712
  5. Step 5: Solve for x
    x = 207,319,449,993,243,712/522,483,014.13
  6. Step 6: Final answer
    x = 396,796,535.75

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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.