Home / 308,471,781.77-459,501,588.47-291,763,941.03

Finding the Fourth Proportional to 308,471,781.77, 459,501,588.47 and 291,763,941.03

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Solution

The fourth proportional to 308,471,781.77, 459,501,588.47 and 291,763,941.03 is: 434,613,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,471,781.77 : 459,501,588.47 = 291,763,941.03 : x
  2. Step 2: Convert to fraction form
    308,471,781.77/459,501,588.47 = 291,763,941.03/x
  3. Step 3: Cross multiply
    308,471,781.77x = 459,501,588.47 × 291,763,941.03
  4. Step 4: Simplify right side
    308,471,781.77x = 134,065,994,361,552,400
  5. Step 5: Solve for x
    x = 134,065,994,361,552,400/308,471,781.77
  6. Step 6: Final answer
    x = 434,613,479.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.