Home / 462,736,439.52-638,576,217.48-264,502,190.88

Finding the Fourth Proportional to 462,736,439.52, 638,576,217.48 and 264,502,190.88

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Solution

The fourth proportional to 462,736,439.52, 638,576,217.48 and 264,502,190.88 is: 365,012,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,736,439.52 : 638,576,217.48 = 264,502,190.88 : x
  2. Step 2: Convert to fraction form
    462,736,439.52/638,576,217.48 = 264,502,190.88/x
  3. Step 3: Cross multiply
    462,736,439.52x = 638,576,217.48 × 264,502,190.88
  4. Step 4: Simplify right side
    462,736,439.52x = 168,904,808,567,323,360
  5. Step 5: Solve for x
    x = 168,904,808,567,323,360/462,736,439.52
  6. Step 6: Final answer
    x = 365,012,983.94

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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.