Home / 852,308,810.20-1,278,463,215.30-576,809,795.80

Finding the Fourth Proportional to 852,308,810.20, 1,278,463,215.30 and 576,809,795.80

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Solution

The fourth proportional to 852,308,810.20, 1,278,463,215.30 and 576,809,795.80 is: 865,214,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,308,810.20 : 1,278,463,215.30 = 576,809,795.80 : x
  2. Step 2: Convert to fraction form
    852,308,810.20/1,278,463,215.30 = 576,809,795.80/x
  3. Step 3: Cross multiply
    852,308,810.20x = 1,278,463,215.30 × 576,809,795.80
  4. Step 4: Simplify right side
    852,308,810.20x = 737,430,106,155,004,288
  5. Step 5: Solve for x
    x = 737,430,106,155,004,288/852,308,810.20
  6. Step 6: Final answer
    x = 865,214,693.70

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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.