Home / 465,157,629.84-641,931,221.67-256,327,224.45

Finding the Fourth Proportional to 465,157,629.84, 641,931,221.67 and 256,327,224.45

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Solution

The fourth proportional to 465,157,629.84, 641,931,221.67 and 256,327,224.45 is: 353,739,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,157,629.84 : 641,931,221.67 = 256,327,224.45 : x
  2. Step 2: Convert to fraction form
    465,157,629.84/641,931,221.67 = 256,327,224.45/x
  3. Step 3: Cross multiply
    465,157,629.84x = 641,931,221.67 × 256,327,224.45
  4. Step 4: Simplify right side
    465,157,629.84x = 164,544,448,338,468,768
  5. Step 5: Solve for x
    x = 164,544,448,338,468,768/465,157,629.84
  6. Step 6: Final answer
    x = 353,739,115.05

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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.