Home / 777,562,449.59-1,073,036,271.41-425,138,679.04

Finding the Fourth Proportional to 777,562,449.59, 1,073,036,271.41 and 425,138,679.04

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Solution

The fourth proportional to 777,562,449.59, 1,073,036,271.41 and 425,138,679.04 is: 586,691,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,562,449.59 : 1,073,036,271.41 = 425,138,679.04 : x
  2. Step 2: Convert to fraction form
    777,562,449.59/1,073,036,271.41 = 425,138,679.04/x
  3. Step 3: Cross multiply
    777,562,449.59x = 1,073,036,271.41 × 425,138,679.04
  4. Step 4: Simplify right side
    777,562,449.59x = 456,189,222,992,879,680
  5. Step 5: Solve for x
    x = 456,189,222,992,879,680/777,562,449.59
  6. Step 6: Final answer
    x = 586,691,426.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.