Home / 560,015,999.40-840,023,999.10-366,524,236.20

Finding the Fourth Proportional to 560,015,999.40, 840,023,999.10 and 366,524,236.20

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Solution

The fourth proportional to 560,015,999.40, 840,023,999.10 and 366,524,236.20 is: 549,786,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,015,999.40 : 840,023,999.10 = 366,524,236.20 : x
  2. Step 2: Convert to fraction form
    560,015,999.40/840,023,999.10 = 366,524,236.20/x
  3. Step 3: Cross multiply
    560,015,999.40x = 840,023,999.10 × 366,524,236.20
  4. Step 4: Simplify right side
    560,015,999.40x = 307,889,154,659,796,992
  5. Step 5: Solve for x
    x = 307,889,154,659,796,992/560,015,999.40
  6. Step 6: Final answer
    x = 549,786,354.30

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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.