Home / 348,486,561.81-480,946,195.96-260,227,331.66

Finding the Fourth Proportional to 348,486,561.81, 480,946,195.96 and 260,227,331.66

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Solution

The fourth proportional to 348,486,561.81, 480,946,195.96 and 260,227,331.66 is: 359,139,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,486,561.81 : 480,946,195.96 = 260,227,331.66 : x
  2. Step 2: Convert to fraction form
    348,486,561.81/480,946,195.96 = 260,227,331.66/x
  3. Step 3: Cross multiply
    348,486,561.81x = 480,946,195.96 × 260,227,331.66
  4. Step 4: Simplify right side
    348,486,561.81x = 125,155,345,247,250,064
  5. Step 5: Solve for x
    x = 125,155,345,247,250,064/348,486,561.81
  6. Step 6: Final answer
    x = 359,139,659.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.