Home / 484,515,019.20-726,867,007.20-208,165,699.20

Finding the Fourth Proportional to 484,515,019.20, 726,867,007.20 and 208,165,699.20

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Solution

The fourth proportional to 484,515,019.20, 726,867,007.20 and 208,165,699.20 is: 312,289,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,515,019.20 : 726,867,007.20 = 208,165,699.20 : x
  2. Step 2: Convert to fraction form
    484,515,019.20/726,867,007.20 = 208,165,699.20/x
  3. Step 3: Cross multiply
    484,515,019.20x = 726,867,007.20 × 208,165,699.20
  4. Step 4: Simplify right side
    484,515,019.20x = 151,308,778,779,199,424
  5. Step 5: Solve for x
    x = 151,308,778,779,199,424/484,515,019.20
  6. Step 6: Final answer
    x = 312,289,140.24

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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.