Home / 399,584,233.80-599,369,741.91-119,465,801.82

Finding the Fourth Proportional to 399,584,233.80, 599,369,741.91 and 119,465,801.82

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Solution

The fourth proportional to 399,584,233.80, 599,369,741.91 and 119,465,801.82 is: 179,196,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,584,233.80 : 599,369,741.91 = 119,465,801.82 : x
  2. Step 2: Convert to fraction form
    399,584,233.80/599,369,741.91 = 119,465,801.82/x
  3. Step 3: Cross multiply
    399,584,233.80x = 599,369,741.91 × 119,465,801.82
  4. Step 4: Simplify right side
    399,584,233.80x = 71,604,186,803,924,600
  5. Step 5: Solve for x
    x = 71,604,186,803,924,600/399,584,233.80
  6. Step 6: Final answer
    x = 179,196,726.87

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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.