Home / 515,809,600.20-773,714,400.30-342,725,171.40

Finding the Fourth Proportional to 515,809,600.20, 773,714,400.30 and 342,725,171.40

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Solution

The fourth proportional to 515,809,600.20, 773,714,400.30 and 342,725,171.40 is: 514,087,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,809,600.20 : 773,714,400.30 = 342,725,171.40 : x
  2. Step 2: Convert to fraction form
    515,809,600.20/773,714,400.30 = 342,725,171.40/x
  3. Step 3: Cross multiply
    515,809,600.20x = 773,714,400.30 × 342,725,171.40
  4. Step 4: Simplify right side
    515,809,600.20x = 265,171,400,457,465,664
  5. Step 5: Solve for x
    x = 265,171,400,457,465,664/515,809,600.20
  6. Step 6: Final answer
    x = 514,087,757.10

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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.