Home / 515,719,446.40-771,878,558.40-362,664,438.40

Finding the Fourth Proportional to 515,719,446.40, 771,878,558.40 and 362,664,438.40

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Solution

The fourth proportional to 515,719,446.40, 771,878,558.40 and 362,664,438.40 is: 542,800,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,719,446.40 : 771,878,558.40 = 362,664,438.40 : x
  2. Step 2: Convert to fraction form
    515,719,446.40/771,878,558.40 = 362,664,438.40/x
  3. Step 3: Cross multiply
    515,719,446.40x = 771,878,558.40 × 362,664,438.40
  4. Step 4: Simplify right side
    515,719,446.40x = 279,932,903,895,137,568
  5. Step 5: Solve for x
    x = 279,932,903,895,137,568/515,719,446.40
  6. Step 6: Final answer
    x = 542,800,753.10

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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.