Home / 638,842,027.33-881,604,654.38-345,486,595.33

Finding the Fourth Proportional to 638,842,027.33, 881,604,654.38 and 345,486,595.33

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Solution

The fourth proportional to 638,842,027.33, 881,604,654.38 and 345,486,595.33 is: 476,772,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,842,027.33 : 881,604,654.38 = 345,486,595.33 : x
  2. Step 2: Convert to fraction form
    638,842,027.33/881,604,654.38 = 345,486,595.33/x
  3. Step 3: Cross multiply
    638,842,027.33x = 881,604,654.38 × 345,486,595.33
  4. Step 4: Simplify right side
    638,842,027.33x = 304,582,590,468,827,584
  5. Step 5: Solve for x
    x = 304,582,590,468,827,584/638,842,027.33
  6. Step 6: Final answer
    x = 476,772,938.28

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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.