Home / 475,577,972.80-713,366,959.20-217,297,646.80

Finding the Fourth Proportional to 475,577,972.80, 713,366,959.20 and 217,297,646.80

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Solution

The fourth proportional to 475,577,972.80, 713,366,959.20 and 217,297,646.80 is: 325,946,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,577,972.80 : 713,366,959.20 = 217,297,646.80 : x
  2. Step 2: Convert to fraction form
    475,577,972.80/713,366,959.20 = 217,297,646.80/x
  3. Step 3: Cross multiply
    475,577,972.80x = 713,366,959.20 × 217,297,646.80
  4. Step 4: Simplify right side
    475,577,972.80x = 155,012,961,539,031,616
  5. Step 5: Solve for x
    x = 155,012,961,539,031,616/475,577,972.80
  6. Step 6: Final answer
    x = 325,946,470.20

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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.