Home / 252,852,329,124.11-379,127,029,157.40-80,478,373,989.26

Finding the Fourth Proportional to 252,852,329,124.11, 379,127,029,157.40 and 80,478,373,989.26

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Solution

The fourth proportional to 252,852,329,124.11, 379,127,029,157.40 and 80,478,373,989.26 is: 120,669,352,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,852,329,124.11 : 379,127,029,157.40 = 80,478,373,989.26 : x
  2. Step 2: Convert to fraction form
    252,852,329,124.11/379,127,029,157.40 = 80,478,373,989.26/x
  3. Step 3: Cross multiply
    252,852,329,124.11x = 379,127,029,157.40 × 80,478,373,989.26
  4. Step 4: Simplify right side
    252,852,329,124.11x = 30,511,526,841,964,426,166,272
  5. Step 5: Solve for x
    x = 30,511,526,841,964,426,166,272/252,852,329,124.11
  6. Step 6: Final answer
    x = 120,669,352,533.38

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1.5x scale

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.