Home / 439,457,953.23-661,817,608.18-400,231,628.72

Finding the Fourth Proportional to 439,457,953.23, 661,817,608.18 and 400,231,628.72

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Solution

The fourth proportional to 439,457,953.23, 661,817,608.18 and 400,231,628.72 is: 602,743,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,457,953.23 : 661,817,608.18 = 400,231,628.72 : x
  2. Step 2: Convert to fraction form
    439,457,953.23/661,817,608.18 = 400,231,628.72/x
  3. Step 3: Cross multiply
    439,457,953.23x = 661,817,608.18 × 400,231,628.72
  4. Step 4: Simplify right side
    439,457,953.23x = 264,880,339,237,456,192
  5. Step 5: Solve for x
    x = 264,880,339,237,456,192/439,457,953.23
  6. Step 6: Final answer
    x = 602,743,305.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.