Home / 345,285,521.84-476,488,459.32-188,649,265.52

Finding the Fourth Proportional to 345,285,521.84, 476,488,459.32 and 188,649,265.52

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Solution

The fourth proportional to 345,285,521.84, 476,488,459.32 and 188,649,265.52 is: 260,332,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,285,521.84 : 476,488,459.32 = 188,649,265.52 : x
  2. Step 2: Convert to fraction form
    345,285,521.84/476,488,459.32 = 188,649,265.52/x
  3. Step 3: Cross multiply
    345,285,521.84x = 476,488,459.32 × 188,649,265.52
  4. Step 4: Simplify right side
    345,285,521.84x = 89,889,197,879,474,400
  5. Step 5: Solve for x
    x = 89,889,197,879,474,400/345,285,521.84
  6. Step 6: Final answer
    x = 260,332,948.22

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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.