Home / 331,172,693,965.40-496,759,040,948.10-142,608,924,109.40

Finding the Fourth Proportional to 331,172,693,965.40, 496,759,040,948.10 and 142,608,924,109.40

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Solution

The fourth proportional to 331,172,693,965.40, 496,759,040,948.10 and 142,608,924,109.40 is: 213,913,386,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,172,693,965.40 : 496,759,040,948.10 = 142,608,924,109.40 : x
  2. Step 2: Convert to fraction form
    331,172,693,965.40/496,759,040,948.10 = 142,608,924,109.40/x
  3. Step 3: Cross multiply
    331,172,693,965.40x = 496,759,040,948.10 × 142,608,924,109.40
  4. Step 4: Simplify right side
    331,172,693,965.40x = 70,842,272,371,225,917,390,848
  5. Step 5: Solve for x
    x = 70,842,272,371,225,917,390,848/331,172,693,965.40
  6. Step 6: Final answer
    x = 213,913,386,164.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.