Home / 361,232,985.98-498,501,133.35-196,220,678.78

Finding the Fourth Proportional to 361,232,985.98, 498,501,133.35 and 196,220,678.78

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Solution

The fourth proportional to 361,232,985.98, 498,501,133.35 and 196,220,678.78 is: 270,784,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,232,985.98 : 498,501,133.35 = 196,220,678.78 : x
  2. Step 2: Convert to fraction form
    361,232,985.98/498,501,133.35 = 196,220,678.78/x
  3. Step 3: Cross multiply
    361,232,985.98x = 498,501,133.35 × 196,220,678.78
  4. Step 4: Simplify right side
    361,232,985.98x = 97,816,230,758,536,304
  5. Step 5: Solve for x
    x = 97,816,230,758,536,304/361,232,985.98
  6. Step 6: Final answer
    x = 270,784,326.33

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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.