Home / 353,955,576.39-488,460,783-205,365,173.10

Finding the Fourth Proportional to 353,955,576.39, 488,460,783 and 205,365,173.10

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Solution

The fourth proportional to 353,955,576.39, 488,460,783 and 205,365,173.10 is: 283,405,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,955,576.39 : 488,460,783 = 205,365,173.10 : x
  2. Step 2: Convert to fraction form
    353,955,576.39/488,460,783 = 205,365,173.10/x
  3. Step 3: Cross multiply
    353,955,576.39x = 488,460,783 × 205,365,173.10
  4. Step 4: Simplify right side
    353,955,576.39x = 100,312,833,253,356,528
  5. Step 5: Solve for x
    x = 100,312,833,253,356,528/353,955,576.39
  6. Step 6: Final answer
    x = 283,405,150.09

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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.