Home / 405,402,308.16-608,151,291.39-303,812,046.60

Finding the Fourth Proportional to 405,402,308.16, 608,151,291.39 and 303,812,046.60

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Solution

The fourth proportional to 405,402,308.16, 608,151,291.39 and 303,812,046.60 is: 455,753,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,402,308.16 : 608,151,291.39 = 303,812,046.60 : x
  2. Step 2: Convert to fraction form
    405,402,308.16/608,151,291.39 = 303,812,046.60/x
  3. Step 3: Cross multiply
    405,402,308.16x = 608,151,291.39 × 303,812,046.60
  4. Step 4: Simplify right side
    405,402,308.16x = 184,763,688,479,628,864
  5. Step 5: Solve for x
    x = 184,763,688,479,628,864/405,402,308.16
  6. Step 6: Final answer
    x = 455,753,913.48

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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.