Home / 536,742,406.80-805,113,610.20-343,250,643.60

Finding the Fourth Proportional to 536,742,406.80, 805,113,610.20 and 343,250,643.60

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Solution

The fourth proportional to 536,742,406.80, 805,113,610.20 and 343,250,643.60 is: 514,875,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,742,406.80 : 805,113,610.20 = 343,250,643.60 : x
  2. Step 2: Convert to fraction form
    536,742,406.80/805,113,610.20 = 343,250,643.60/x
  3. Step 3: Cross multiply
    536,742,406.80x = 805,113,610.20 × 343,250,643.60
  4. Step 4: Simplify right side
    536,742,406.80x = 276,355,764,872,269,568
  5. Step 5: Solve for x
    x = 276,355,764,872,269,568/536,742,406.80
  6. Step 6: Final answer
    x = 514,875,965.40

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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.