Home / 624,324,953.70-861,621,344.01-345,953,795.94

Finding the Fourth Proportional to 624,324,953.70, 861,621,344.01 and 345,953,795.94

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Solution

The fourth proportional to 624,324,953.70, 861,621,344.01 and 345,953,795.94 is: 477,445,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,324,953.70 : 861,621,344.01 = 345,953,795.94 : x
  2. Step 2: Convert to fraction form
    624,324,953.70/861,621,344.01 = 345,953,795.94/x
  3. Step 3: Cross multiply
    624,324,953.70x = 861,621,344.01 × 345,953,795.94
  4. Step 4: Simplify right side
    624,324,953.70x = 298,081,174,623,184,064
  5. Step 5: Solve for x
    x = 298,081,174,623,184,064/624,324,953.70
  6. Step 6: Final answer
    x = 477,445,555.97

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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.