Home / 352,341,772.32-528,392,804.40-133,939,437.60

Finding the Fourth Proportional to 352,341,772.32, 528,392,804.40 and 133,939,437.60

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Solution

The fourth proportional to 352,341,772.32, 528,392,804.40 and 133,939,437.60 is: 200,863,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,341,772.32 : 528,392,804.40 = 133,939,437.60 : x
  2. Step 2: Convert to fraction form
    352,341,772.32/528,392,804.40 = 133,939,437.60/x
  3. Step 3: Cross multiply
    352,341,772.32x = 528,392,804.40 × 133,939,437.60
  4. Step 4: Simplify right side
    352,341,772.32x = 70,772,635,053,222,800
  5. Step 5: Solve for x
    x = 70,772,635,053,222,800/352,341,772.32
  6. Step 6: Final answer
    x = 200,863,594.99

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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.