Home / 1,271,079,477.52-1,906,583,971.28-338,410,327.12

Finding the Fourth Proportional to 1,271,079,477.52, 1,906,583,971.28 and 338,410,327.12

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Solution

The fourth proportional to 1,271,079,477.52, 1,906,583,971.28 and 338,410,327.12 is: 507,606,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,079,477.52 : 1,906,583,971.28 = 338,410,327.12 : x
  2. Step 2: Convert to fraction form
    1,271,079,477.52/1,906,583,971.28 = 338,410,327.12/x
  3. Step 3: Cross multiply
    1,271,079,477.52x = 1,906,583,971.28 × 338,410,327.12
  4. Step 4: Simplify right side
    1,271,079,477.52x = 645,207,705,402,613,504
  5. Step 5: Solve for x
    x = 645,207,705,402,613,504/1,271,079,477.52
  6. Step 6: Final answer
    x = 507,606,107.10

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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.