Home / 404,462,911.85-558,544,304.04-382,428,054.89

Finding the Fourth Proportional to 404,462,911.85, 558,544,304.04 and 382,428,054.89

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Solution

The fourth proportional to 404,462,911.85, 558,544,304.04 and 382,428,054.89 is: 528,115,200.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,462,911.85 : 558,544,304.04 = 382,428,054.89 : x
  2. Step 2: Convert to fraction form
    404,462,911.85/558,544,304.04 = 382,428,054.89/x
  3. Step 3: Cross multiply
    404,462,911.85x = 558,544,304.04 × 382,428,054.89
  4. Step 4: Simplify right side
    404,462,911.85x = 213,603,011,763,905,952
  5. Step 5: Solve for x
    x = 213,603,011,763,905,952/404,462,911.85
  6. Step 6: Final answer
    x = 528,115,200.44

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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.