Home / 330,507,699,965.34-495,759,885,848.94-129,069,890,425.14

Finding the Fourth Proportional to 330,507,699,965.34, 495,759,885,848.94 and 129,069,890,425.14

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Solution

The fourth proportional to 330,507,699,965.34, 495,759,885,848.94 and 129,069,890,425.14 is: 193,604,185,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,507,699,965.34 : 495,759,885,848.94 = 129,069,890,425.14 : x
  2. Step 2: Convert to fraction form
    330,507,699,965.34/495,759,885,848.94 = 129,069,890,425.14/x
  3. Step 3: Cross multiply
    330,507,699,965.34x = 495,759,885,848.94 × 129,069,890,425.14
  4. Step 4: Simplify right side
    330,507,699,965.34x = 63,987,674,143,702,600,646,656
  5. Step 5: Solve for x
    x = 63,987,674,143,702,600,646,656/330,507,699,965.34
  6. Step 6: Final answer
    x = 193,604,185,773.62

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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.