Home / 715,702,590.40-1,072,150,879.04-370,882,410.88

Finding the Fourth Proportional to 715,702,590.40, 1,072,150,879.04 and 370,882,410.88

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Solution

The fourth proportional to 715,702,590.40, 1,072,150,879.04 and 370,882,410.88 is: 555,596,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,702,590.40 : 1,072,150,879.04 = 370,882,410.88 : x
  2. Step 2: Convert to fraction form
    715,702,590.40/1,072,150,879.04 = 370,882,410.88/x
  3. Step 3: Cross multiply
    715,702,590.40x = 1,072,150,879.04 × 370,882,410.88
  4. Step 4: Simplify right side
    715,702,590.40x = 397,641,902,845,466,432
  5. Step 5: Solve for x
    x = 397,641,902,845,466,432/715,702,590.40
  6. Step 6: Final answer
    x = 555,596,567.87

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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.