Home / 1,271,079,483.52-1,906,583,980.28-338,410,333.12

Finding the Fourth Proportional to 1,271,079,483.52, 1,906,583,980.28 and 338,410,333.12

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Solution

The fourth proportional to 1,271,079,483.52, 1,906,583,980.28 and 338,410,333.12 is: 507,606,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,079,483.52 : 1,906,583,980.28 = 338,410,333.12 : x
  2. Step 2: Convert to fraction form
    1,271,079,483.52/1,906,583,980.28 = 338,410,333.12/x
  3. Step 3: Cross multiply
    1,271,079,483.52x = 1,906,583,980.28 × 338,410,333.12
  4. Step 4: Simplify right side
    1,271,079,483.52x = 645,207,719,887,810,304
  5. Step 5: Solve for x
    x = 645,207,719,887,810,304/1,271,079,483.52
  6. Step 6: Final answer
    x = 507,606,116.10

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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.