Home / 485,516,801.80-728,275,202.70-482,115,579.40

Finding the Fourth Proportional to 485,516,801.80, 728,275,202.70 and 482,115,579.40

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Solution

The fourth proportional to 485,516,801.80, 728,275,202.70 and 482,115,579.40 is: 723,173,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,516,801.80 : 728,275,202.70 = 482,115,579.40 : x
  2. Step 2: Convert to fraction form
    485,516,801.80/728,275,202.70 = 482,115,579.40/x
  3. Step 3: Cross multiply
    485,516,801.80x = 728,275,202.70 × 482,115,579.40
  4. Step 4: Simplify right side
    485,516,801.80x = 351,112,821,312,362,944
  5. Step 5: Solve for x
    x = 351,112,821,312,362,944/485,516,801.80
  6. Step 6: Final answer
    x = 723,173,369.10

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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.