Home / 764,857,009.80-1,147,285,514.70-581,191,000.20

Finding the Fourth Proportional to 764,857,009.80, 1,147,285,514.70 and 581,191,000.20

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Solution

The fourth proportional to 764,857,009.80, 1,147,285,514.70 and 581,191,000.20 is: 871,786,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,857,009.80 : 1,147,285,514.70 = 581,191,000.20 : x
  2. Step 2: Convert to fraction form
    764,857,009.80/1,147,285,514.70 = 581,191,000.20/x
  3. Step 3: Cross multiply
    764,857,009.80x = 1,147,285,514.70 × 581,191,000.20
  4. Step 4: Simplify right side
    764,857,009.80x = 666,792,015,803,464,832
  5. Step 5: Solve for x
    x = 666,792,015,803,464,832/764,857,009.80
  6. Step 6: Final answer
    x = 871,786,500.30

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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.