Home / 526,852,516.75-790,280,122.40-133,379,385.32

Finding the Fourth Proportional to 526,852,516.75, 790,280,122.40 and 133,379,385.32

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Solution

The fourth proportional to 526,852,516.75, 790,280,122.40 and 133,379,385.32 is: 200,069,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,852,516.75 : 790,280,122.40 = 133,379,385.32 : x
  2. Step 2: Convert to fraction form
    526,852,516.75/790,280,122.40 = 133,379,385.32/x
  3. Step 3: Cross multiply
    526,852,516.75x = 790,280,122.40 × 133,379,385.32
  4. Step 4: Simplify right side
    526,852,516.75x = 105,407,076,955,659,456
  5. Step 5: Solve for x
    x = 105,407,076,955,659,456/526,852,516.75
  6. Step 6: Final answer
    x = 200,069,419.06

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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.