Home / 631,152,048.20-946,728,072.30-355,653,033.80

Finding the Fourth Proportional to 631,152,048.20, 946,728,072.30 and 355,653,033.80

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Solution

The fourth proportional to 631,152,048.20, 946,728,072.30 and 355,653,033.80 is: 533,479,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,152,048.20 : 946,728,072.30 = 355,653,033.80 : x
  2. Step 2: Convert to fraction form
    631,152,048.20/946,728,072.30 = 355,653,033.80/x
  3. Step 3: Cross multiply
    631,152,048.20x = 946,728,072.30 × 355,653,033.80
  4. Step 4: Simplify right side
    631,152,048.20x = 336,706,711,097,120,768
  5. Step 5: Solve for x
    x = 336,706,711,097,120,768/631,152,048.20
  6. Step 6: Final answer
    x = 533,479,550.70

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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.